JPH0358368A - Tape running control mechanism for video cassette tape - Google Patents

Abstract

PURPOSE:To easily perform the program searching of a record content by stopping the feed of a tape by operating a sensor for driving motor control when a sensor for marker detection detects a marker provided at the start position of the record content of the tape designated by an input part. CONSTITUTION:Light transmission parts 12, 13 are provided at the start and end terminals 21, 20 of a magnetic tape 10, and the marker is provided at the start position of the record content of the tape 10. When light receiving parts 16a, 16b receive the light of the light emitting part 17 of an optical sensor 19 for driving motor control, the sensor 19 stops the feed of the tape with a driving control mechanism 22. Also, when the sensor for marker detection detects the marker designated by the input part which designates a desired record content with ten switches on which numerals from 0 to 9 are attached, the light emitting part emits the light to the light receiving parts 16a, 16b, and the feed of the tape is stopped by operating the sensor 19. In such a way, the program searching of the tape can be easily performed without changing the mechanism of a cassette deck.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a tape running control mechanism for a video cassette tape, and in particular to a video cassette that can easily locate the beginning of the content recorded on a magnetic tape. Concerning tape running control mechanism. [Prior Art] To explain what is called cueing of a video cassette tape, in which playback is performed from a desired position, conventionally, a counter provided in a video cassette deck has been used to perform playback from a desired position.
Determine the direct address corresponding to the content of the video cassette tape, and use that value to fast forward or rewind the tape to play the tape content, or to display the tape content as an image on the monitor. The tape was played back in ``fast forward'' mode while visually checking the screen on the monitor, and when the desired screen was played, the tape rotation was stopped and the tape was played back. [Technical Problem of the Present Invention] However, all of these conventional methods of locating the beginning of a tape are complicated. , a video tape with a built-in cueing mechanism configured to simultaneously record an address signal when recording onto a tape and, when playing back, detect the address signal using the above-mentioned playback-only circuit and play back the desired image. A cassette deck was also developed. However, video cassette decks configured to use such electrical means to locate the beginning of the tape have the disadvantages of complex mechanisms and high production costs. Ta. Therefore, a technical object of the present invention is to easily and quickly locate the beginning of a video cassette tape without increasing production costs. [Means for Solving the Problems] In order to solve such technical problems, in the present invention, transparent parts are provided at the beginning and end of the magnetic tape housed in the cassette half, and the video cassette deck is equipped with a transparent part. A tape of a video cassette tape that detects the light-transmitting part by a drive motor control optical sensor consisting of a light emitting part and a light receiving part, and controls the operation of a drive motor built into the video cassette deck to stop tape running. In the travel control mechanism, a marker is provided at the start position of recorded content on the magnetic tape, and a marker detection sensor capable of detecting the marker is provided inside the cassette half, and a sensor for detecting the marker is provided for detecting the marker. A cassette tape-side light-emitting section linked to the marker detection sensor is provided at a portion that can emit light to the light-receiving section, while ten switches each numbered from O to 9 are provided on the outer side of the cassette half. An input section is provided for specifying a desired recorded content among the recorded contents of the magnetic tape, and a marker is provided at the start position of the recorded content specified by the input section, and the one-point detection sensor is provided above. By detecting this, the light emitting part on the cassette tape side emits light to the light receiving part of the optical sensor for controlling the drive motor, which controls the operation of the drive motor built into the video cassette deck and stops the tape from running. It is. [Example] Hereinafter, a tape running control mechanism for a video cassette tape according to the present invention will be described in detail based on an example shown in the accompanying drawings. As shown in FIG. 2, in the cassette tape tape running control mechanism 22 according to the present embodiment, the starting end 21 and the ending end 20 of the magnetic tape IO of the video cassette tape l8 loaded in the video cassette deck 15 are , a transparent section 12.13 made of transparent leader tape is provided. On the other hand, the video cassette deck 15 is provided with a drive motor control optical sensor 19 consisting of a light emitting section 17 and light receiving sections 16a and 16b. The light emitting section 17, which constitutes the optical sensor 19 for controlling the drive motor, is inserted into the video cassette tape 18 and arranged at a position where it can emit light to the light receiving sections 16a and 16b. The light-receiving sections 16a and 18b are provided one each on the side portions of both lengthwise ends of the video cassette tape 18, and are arranged so as to be able to receive the light emitted from the light-emitting section 17. There is. Then, the user operates the operation section provided on the video cassette deck 15 as appropriate to operate the drive motor 14 in, for example, fast forward mode, and transfers the magnetic tape 10 to the supply reel 3.
The entire magnetic tape 10 is wound up from 8 to the take-up reel 39, and a light-transmitting part 13 made of a transparent leader tape provided at the terminal end 20 of the magnetic tape 10 serves as a light-emitting part of the optical sensor l9 for controlling the drive motor. 17 to the light receiving section 16b, passing through the light transmitting section 13 and reaching the light receiving section 16b, the received light f1l16b passes through the light emitting section 1
Detecting the light emitted from 7, the drive motor control optical sensor 19 sends an electric signal to the system control section built in the video cassette deck to the effect that the light transmitting section 13 has been detected. In this case, the system control section is configured to stop the operation of the drive motor 14 and stop the tape running. If the video cassette deck is equipped with a so-called auto-rewind mechanism, the user operates the playback switch to run the magnetic tape 10 from the supply reel 38 to the take-up reel 39 in the playback mode. When the drive motor control optical sensor 19 detects the transparent portion 13 at the end 20 of the magnetic tape 10, the system control circuit (not shown) temporarily stops the operation of the drive motor 14. After that, the drive motor l4 is immediately reversely rotated to wind the magnetic tape 10 onto the supply reel 38. In the video cassette tape 18 used in the tape running control mechanism 22 of the video cassette tape according to the present embodiment, the wound magnetic tape 10 has a large number of music songs and the music of each song. The corresponding video is recorded. In the tape running control mechanism 22 of the video cassette tape according to this embodiment, as shown in FIG. Markers 23 made of aluminum foil are placed at the start positions of the respective songs recorded on the magnetic tape 10 wound around the magnetic tape 10.
It is attached to the inside surface of the A marker detection optical sensor 24 is located near the tape guide 25 provided on the take-up reel 39 side of the cassette half 26 of the video cassette tape 18 and on the inside of the magnetic tape 10. is provided. As shown in FIG. 3, this marker detection optical sensor 24 is made of a reflective photoinstructor and has a light emitting section 29 and a light receiving section 30 inside. As shown in FIG. 3, the marker 23 affixed to the start position of each song on the magnetic tape 10 is
When passing the position in front of the marker detection optical sensor 24 as the light travels, the light emitted from the light emitting section 29 is
The marker 23 attached to the inner surface of the magnetic tape 10 is irradiated, and the light from the light emitting section 29 that irradiates the marker 23 is reflected and reaches the light receiving section 30, and the marker detection optical sensor 24 detects the marker 23. It is designed so that it can be used. Further, in the video cassette tape tape running control mechanism 22 according to the present embodiment, as shown in FIG. In addition, the video cassette tape 18 has two cassette tape side light emitting parts 3.
5. 36 are provided. That is, the side ribs 37 that constitute the frame of the cassette half 26 are located at the portions that can emit light to the two light receiving sections 16a and 16b that monitor the optical sensor 19 for controlling the drive motor provided in the video cassette deck 15. , 41, the cassette tape side light emitting section 35. 36 are provided. The cassette tape side light emitting section 35. 36 has one end 91
．． 91 is the light emitting part 1 of the optical sensor 19 for controlling the drive motor.
The optical fiber 56 is disposed at a position where it can collect the light from the optical fiber 7, and the other end 92, 92 is disposed at a position where it can emit light to the light receiving parts 16a, 16b of the optical sensor 19 for controlling the drive motor. 56, and a liquid crystal shutter 93.56 provided at an intermediate portion of the optical fiber 56.56. It consists of 93.

That is, in this embodiment, as shown in FIG. 1, the cassette tape side light emitting section 35. 36 connects the light from the light emitting part 17 of the drive motor control optical sensor 19 provided on the video cassette deck side to the optical fiber 56.
．． 56 and the liquid crystal shutter 93. By controlling the opening/closing of the optical path within the optical fibers 56 and 56 by the 93, the light can be emitted to the light receiving sections 16a and 16b. Since the light emitting section l7 provided on the video cassette deck side is configured to be lit at all times, the liquid crystal shutter 93. 93 is normally in a closed state, and when this liquid crystal shutter 93.93 is in an open state, the cassette tape side light emitting part 35
．． The optical path to 38 is via optical fiber 56 . 56, and emits light to the light receiving sections 16a and 16b.
On one optical path 40a of the light emitted from the light emitting section 17, which constitutes the drive motor control optical sensor 19 provided in the video cassette deck 15, a side lip composing the frame of the cassette half 26 is detected. Opening part 42 in 37
and an opening 43 are provided so that the light emitted from the light emitting section 17 reaches the light receiving section 16a. The cassette tape side light emitting section 35 is provided at any part of the aperture 42 provided in the side rib 37, and is used to control a drive motor provided in the video cassette deck 15 through the aperture 43. It is configured so that it can emit light to one of the light receiving sections 16a that constitutes the optical sensor 19.

On the other hand, the cassette half 26 of the video cassette tape l8 is on the optical path 40b from the light emitting section 17 that connects the driving motor control optical sensor 19 to the other light receiving section 156b.
An outer opening 47 and an inner opening 48 are provided in the side surface 49 of the cassette tape side.
A36 is provided near the opening 48. A tape guide 44 is provided inside the opening 48.
A tape roller 45 is provided at a position of the tape guide 44 from the inside of the cassette half 26. The magnetic table IO is wound around a tape guide 44 and a tape roller 45 so as to reach the supply reel 38. Furthermore, the tape guide 44 has
A tape retainer 46 is provided to prevent the supply reel 38 of the magnetic tape 10 from sagging, and one end of the tape retainer 46 is fixed to the tape guide 44.
The other end is slightly folded back and is in sliding contact with the tape roller 45, and is provided so as to be in pressure contact with the inner surface of the wound magnetic tape IO. And this tape retainer 46 is
The other cassette tape side light emitting section 36 is made of a metallic material that can reflect light, and can emit light to this tape holder 46, and also has a part where the light is reflected from the tape holder 46 and reaches the other light receiving section 16b. It is installed. and,
As shown in FIG. 4, the back side of the video cassette tape 18 is provided with ten select switches 34, numbered O to 9, respectively. An input section 32 is provided that allows you to arbitrarily specify. The input section 32 includes a select switch 34 consisting of 10 key switches (so-called numeric keys) each numbered from 0 to 9, and these select switches 3
4, and a clear switch 97 for erasing the input when it is mistakenly input using the select switch 34. Therefore, in this embodiment, the user can select, for example, the second and fourth songs among the many songs recorded on the magnetic tape 10.
When you wish to play a particular song, first turn on the select switch 34 numbered 2 in the input section 32, then turn on the memory switch 90 of the input section 32 to select the second song. Confirm. Thereafter, in the same manner, the select switch 34 numbered 4 is turned on in the input section 32, and then the memory switch 90 of the input section 32 is turned on to confirm the selection of the fourth song. In this case, if any song other than the second and fourth songs is mistakenly input in the input section 32 as described above, the clear switch 97 is configured to erase the input. It has been done. Further, as shown in FIG. 1, a control section 27 consisting of a microcomputer is provided in a region defined by a rib 50 adjacent to the take-up side reel 39 and the supply side reel 38, and furthermore, a control section 27 consisting of a microcomputer is provided. A power source section 28 consisting of a battery is provided at a corner provided at one end of the back surface of the power source 26 and defined by the rib 54. Further, in a region adjacent to the supply side reel 38 and defined by a rib 53 provided at the other end of the back surface of the cassette half 26, a marker is detected by the marker detection sensor 24, or a drive motor is provided. A signal sound generating means 94 is provided which generates a signal sound in conjunction with the detection of the transparent portion of the magnetic tape by the control optical sensor. That is, in this embodiment, the marker detection sensor 2
Marker 2 placed at the start position of the song containing 4
3, or when the drive motor control optical sensor l9 detects the light-transmitting part 12.13 of the magnetic tape 10, the drive motor control optical sensor Light receiving parts 16a, 16b of l9
It controls the operation of the drive motor 14 built into the video cassette deck 15 to stop the tape running, and also activates the signal sound generating means 94 to emit a signal sound in those cases to start playback. , the tape is configured to notify the user that the tape has stopped running from the fast forward or rewind state. In addition, when the marker detection sensor 24 detects the marker 23 provided at the start position of the recorded content appropriately designated by the user in the input unit 32, the control unit 27 controls the cassette tape side. Light emitting section 35. 3
6 to light receiving parts 18a and 16 of the optical sensor for driving motor control.
By emitting light from b, the video cassette deck 15
It is configured to control the operation of a drive motor 14 built into the tape drive unit to stop tape running and to operate the signal sound generating means 94. On the other hand, as shown in FIG. 5, in the video power set tape l8 according to this embodiment, the reel 38. 3
A transmission mechanism 68 consisting of a gear device is provided in the video cassette deck, and is configured to amplify the rotation of a tape drive shaft 73 provided in the video cassette deck and transmit it to the reels 38 and 39. ．． As shown in FIG. 5, reels 38. 39 is a hub portion 6l for holding the cylindrical magnetic tape winding portion 60;
It consists of a disc-shaped reel flange part 62 fixed almost horizontally to the upper end of a cylindrical magnetic tape winding part 6o. The reel hub portion 61 is located at the inner side of the cassette half 26.
The reel flange portion 62 is provided with a protruding support portion 64 formed at the rotation center of the reel flange portion 62, and this support portion 64 is rotatably mounted on the cassette. It is rotatably supported within a recess 66 formed in the inner upper surface 65 of the half 26. The above reel 38. In the magnetic tape winding section 60 of No. 39, a tape drive shaft storage section 67 and a transmission mechanism 68 consisting of a gear device are provided. This tape drive shaft storage section 67
The entire body is substantially cylindrical in shape, and a flange portion 69 is provided extending outward from the lower end over the entire side surface. On the other hand, a ring-shaped protrusion 72 is formed inward of the cassette half 726 on the circumference of the drive shaft insertion hole 7l provided in the back surface 70 of the cassette half 26, and the tape drive shaft 73 has a flange portion 96 rotatably mounted on the convex portion 72 on the ring, and is disposed within the tape drive shaft insertion hole 71. When loading the video cassette tape l8, the tape drive shaft 73 is housed and fixed in the tape drive shaft accommodating portion 67 whose tip end is placed in the tape drive shaft insertion hole 7l, and the tape drive shaft 73 is rotated. is configured to transmit the information to the tape drive shaft storage section 67. The transmission mechanism 68 consists of a gear device as described above. ′
It consists of an fX rotating gear 74, a variable speed rotating gear 75, and a reel rotating gear 76. The driving rotation gear 74 is fixed to the upper surface of a cylindrical tape drive shaft accommodating portion 67, and is configured to rotate at the same speed as the tape drive shaft 73 via the tape drive shaft accommodating portion 67. ing. The variable speed rotation gear 75 includes a support arm 79 fixed almost horizontally to a support 78 erected on the inner lower surface 77 of the cassette half 26 , and a support arm 79 .
It consists of a shaft part 80 that stands upright almost vertically, a transmission gear 8l fixed to this shaft part 80, and a drive gear 82 fixed to the upper end of the transmission gear 8l. The speed change gear 81 is
It is formed to have a smaller diameter than the driving rotation gear 74, and
It is formed into a cylindrical shape as a whole and is arranged so as to match with the driving rotating gear 74. Further, as described above, the drive gear 82 is the transmission gear 8
1, and the same shaft portion 83 as the transmission gear 81.
It rotates around the transmission gear 81, and consists of a disc-shaped gear with a diameter larger than that of the transmission gear 81. The variable speed rotary gear 75 constituted by these gears 81 and 82 is interlocked with the driving rotary gear 74 and configured to output rotation at a higher speed than the driving rotary gear 74 at the driving gear 82. There is. The reel rotation gear 76 then rotates the reel 38 . 3
It is fixed to the back surface of the rotation center part 84 of the reel flange part 62 constituting the reel flange 9, meshes with the drive gear 82 that constitutes the variable speed rotation gear 75, and rotates in conjunction with the m shift gear 82 that constitutes the variable speed rotation gear 75. It is arranged so that This reel rotating gear 76 is formed to have a larger diameter than the drive gear 82, and has a rotating shaft 85 protruding from its center.
It hangs downward. The rotating shaft 85 is rotatably inserted into a hole 86 provided at the center of rotation of the drive rotating gear 74 and a hole 87 provided in the upper surface of the tape drive shaft housing 67. Next, a case will be described in which the video cassette tape l8 according to this embodiment is loaded into a video cassette deck and, for example, fast-forwarding is performed. First, when the fast forward button provided on the video cassette deck is pressed, the main brake of the reel stand 88 is released, the built-in drive motor is activated, the clutch pulley rotates clockwise, and the fast forward rewind idler 89 is activated. , is pressed onto the reel stand 88 on the take-up side, and the reel No. 88 on the take-up side is rotated at high speed. In this case, the tape drive shaft 73
transmits the clockwise rotation of the 88th take-up reel to the tape drive shaft accommodating portion 67, and the driving rotation gear 74 constituting the transmission mechanism 68 fixed to the tape drive shaft 73 is transmitted together with the tape drive shaft accommodating portion 67. Rotates at high speed. The rotation of the driving rotary gear 74 is transmitted to a speed change gear 781 that constitutes a speed change rotating gear 75 that meshes with the driving rotary gear 74. In this case, as described above, the speed change rotation gear 75 is formed to have a much smaller diameter than the drive rotation gear 74, so the rotational speed of the speed change rotation gear 75 is the same as that of the drive rotation gear 74.
The rotation speed is much higher than that of . and,
A drive gear 82 fixed to the upper end of this speed change rotation gear 75
rotates at the same speed as the variable speed rotation gear 75, and the high speed rotation of the drive gear 82 is transmitted to the reel rotation gear 76 that meshes with the drive gear 82. Since the reel rotation gear 76 is fixed to the rotation center 84, the high-speed rotation from the driving rotation gear 74 output in the drive gear 82 is transmitted to the reel flange via the reel rotation gear 76. 62. As a result, the rotational driving force transmitted from the drive motor built into the video cassette deck to the reel stand 88 and the tape drive shaft 73 via the fast forward/rewind idler 89 is transferred to the transmission mechanism 68.
Reel 38 is much amplified by
．． 39, resulting in a reel 38. 39 rotates at a much higher speed than the rotational speed of the reel stand 88 and tape drive shaft 73, and winds up the magnetic tape 10 at a higher speed. The above description has been made using the case where a fast forward operation is performed using the video cassette tape l8 according to the present embodiment, but the same applies when performing a rewind operation. When you press the rewind button provided on the deck, the main brake of the reel stand is released, the built-in drive motor is activated, the tarlatch pulley rotates counterclockwise, and the fast forward rewind idler is activated. (supply side) and rotate the reel stand (supply side) counterclockwise at high speed. And in this case,
As in the case described above, the rotational driving force on the reel stand 88 is applied to the reel 38 . 3
9 through a transmission mechanism 68 provided inside the reel 38 . 39, and the magnetic tape 10 is rewound and taken up at high speed. Next, let us consider a case where only the second and fourth songs out of the multiple songs recorded on the video cassette tape and the video corresponding to each song are played using the video cassette tape tape running control mechanism according to the present embodiment. Let me explain with an example. In addition, in this case, the supply side hap 3
The explanation will be given assuming that the magnetic tape IO starts from the state where it is completely wound up in step 8. First, as shown in FIG.
In the input section 32 provided in the input section 1, the select switches 34 marked with numbers 2 and 4 are turned on, and then the memory switch 90 is turned on.
Confirm the song selection. Next, select switch 3 with the number 4 attached in the same way.
4 is turned on, the memory switch 90 is turned on to confirm the selection of the fourth song, and video cassette tape 1 is turned on.
8 is loaded into the video cassette deck 15, and the video cassette deck 15 is operated in fast forward mode. In this case, due to the song selection operation on the video cassette tape l8, the controller 27 built in the video cassette tape l8 causes the marker detection optical sensor 24 to
When the first marker 23 pasted on the magnetic tape 10 is detected, the cassette tape side light emitting unit 36 is made to emit light to control the drive motor l4 to stop running the magnetic tape 10, and the magnetic tape 10 is stopped. The marker detection optical sensor 2
4, the cassette tape side light emitting section 35 and the cassette tape side light emitting section 36 both emit light to control the operation of the drive motor to stop the running of the magnetic tape 10 and to stop the magnetic tape 10 from running. It is designed to have a large number of people. That is, the video cassette deck used in this embodiment is provided with a so-called auto-rewind mechanism, and this auto-rewind mechanism causes the light to flow from the light emitting section 17 on the video cassette deck side to the light receiving section 16b in the fast forward mode of the video cassette deck. When light is emitted, the magnetic tape 10 stops running, and on the other hand, when light is emitted from the light emitting section 17 to the light receiving section 16b in the playback mode, it is configured to be rewound immediately after stopping. There is. Therefore, the playback of the second song is finished and the second marker 2 is
3 (marker indicating the start position of the third track) is detected by the marker detection optical sensor 24 and the control unit 27 causes the cassette tape side light emitting unit 36 to emit light, the system control built in the video cassette deck The controller determines that the signal indicates that the magnetic tape 10 has been completely wound on the take-up reel 39 in the playback mode, and immediately rewinds the magnetic tape after tape running is stopped. Therefore, the cassette tape side light emitting section 35
By also emitting light, it is assumed to the system control section of the video cassette player that the entire magnetic tape 10 is wound onto the supply reel 38, and the running of the magnetic tape 10 is stopped. ．． Moreover, the control section 27 built into the video cassette 18 is
When the marker detection optical sensor 24 detects the third marker 23 (marker indicating the start position of the fourth track) when the magnetic tape 10 is in the fast forward mode, the cassette tape side light emitting section 36 emits light and the magnetic tape The plan is to stop the 10 from running. Therefore, an operation to select the second and fourth songs is performed on the input section 32 of the video set tape 18,
Video cassette tape 18 is video cassette deck 15
is installed and operating in fast forward mode,
When the marker detection optical sensor 24 detects the second marker 23 (marker indicating the start position of the second song) attached to the magnetic tape lo, the control unit 27 operates the liquid crystal shutter 93 to turn off the light. An optical path is formed within the fiber 56, and the cassette tape side light emitting section 36 is caused to emit light. Then, the light receiving section 1 provided on the video cassette deck side
6b is. The light receiving section 16b receives the light emitted from the cassette tape side light emitting section 36, and inputs an electric signal to a system control section provided in the video cassette deck. Then, the system control section stops the drive motor 14, and as a result, the magnetic tape 10 stops running. The control section 27 also controls the cassette tape side light emitting section 3.
6 to emit light, the above-mentioned configuration generating means 94 is energized, the sound generating means 94 is activated to generate a signal sound, and the user is informed that the fast forward mode has ended, the tape has stopped running, and the tape is ready for playback. Announce your presence. In this case, the operator can play the music and video of the second song by pressing the playback button on the operation unit provided on the video cassette deck to enter the playback mode. After that, the magnetic tape 1O runs, the second song ends, and the marker detection optical sensor 24 detects the third marker 23 (installed at the start position of the third song) among the markers 23 affixed to the magnetic tape 10. When the cassette tape side light emitting section 36 is detected, as shown in FIG. 7, the control section 27 first causes the cassette tape side light emitting section 36 to emit light. In this case, video cassette 2
Since the mode on the video cassette deck side is currently the play mode, the system control section of the video cassette deck is activated by the light emitted from the cassette tape side light emitting section 36 to the light receiving section 16b. It is determined that the signal indicates that all the magnetic tape 10 has been wound onto the take-up reel 39, and after stopping the running of the magnetic tape 10 by the auto-rewind machine,
Try to switch to rewind mode immediately. Therefore, the control section 27 controls the cassette tape side light emitting section 3.
At approximately the same time as the light emitting part 6, the other cassette tape side light emitting part 35 also emits light to the light receiving part lea, and the magnetic tape l
This simulates a state where all of the magnetic tape IO is wound onto the supply reel 38, sets the mode on the video cassette deck side to stop mode, and stops the running of the magnetic tape IO. Thereafter, the operator operates the operation section of the video cassette deck as appropriate to fast-forward the third track, for example, by setting it to fast-forward mode, and the marker detection optical sensor 24 detects four of the markers affixed to the magnetic tape 10. th marker 23 (4
When detecting the marker (marker placed at the start position of the song), the marker detection optical sensor 24 detects the second marker 23 (marker placed at the start position of the second song). As shown in FIG. 6, the control unit 27 operates the liquid crystal shutter 93 to close the optical fiber 5.
6, and causes the cassette tape side light emitting section 36 to emit light to the light receiving section 16b provided on the video cassette deck side to stop the operation of the drive motor.
0 is stopped, and the signal sound generating means 94 is activated to generate a signal sound to announce the stop of tape transport. Then, at this stage, the operator can play the music of the fourth track and the corresponding video on a monitor, etc. by appropriately operating the operation section on the video cassette deck side and setting it to playback mode. ．． After that, when the fourth song ends and the video cassette deck side light emitting section l7 detects the light transmitting section 13 provided at the end 20 of the magnetic tape 10, the video cassette deck side light emitting section 17 detects the light transmitting section 13 provided at the end 20 of the magnetic tape 10, as shown in FIG. The light emitted from the section 17 reaches the light receiving section 16b on the video cassette deck side, and the light receiving section 16b issues a predetermined signal to a system control section (not shown) to activate a so-called auto-rewind mechanism. That is, the system control section stops the operation of the drive motor l4 built into the video cassette deck, and immediately thereafter shifts to the return mode and reverses the rotation of the drive motor l4. As a result, the magnetic tape IO is rewound and wound onto the supply tape 38, and when the video cassette deck side light emitting section 17 detects the light-transmitting section 12 provided at the starting end 2l of the magnetic tape 10, As shown in FIG. 1, the light emitted from the light emitting section 17 reaches the light receiving section 18a, and the operation of the drive motor 14 is stopped via the system control section, and the running of the magnetic tape 10 is stopped. , returns to the initial state of operation. In this case, the control section 27 operates the signal sound generating means 94 to generate a signal sound to notify the user that the video cassette table 18 has reached the tape start position. Tape running control W mechanism 2 for cassette tape according to the present embodiment
In the video camera 18 used in 2, there is an internal reel 38. 39 is provided with a transmission mechanism 68 consisting of a gear device, and is configured to amplify the rotation of the tape drive shaft 73 and transmit it to the reels 38 and 39, so that the fast forward mode of the video cassette deck can be controlled. or when in rewind mode, reel 38. 39 can be rotated at a higher speed than a general video cassette tape, and in combination with the tape running control mechanism 22 of the video cassette tape according to this embodiment, the beginning of the content recorded on the magnetic tape 10 can be easily and quickly rotated. It becomes possible to make a withdrawal. Furthermore, the cassette tape side light emitting parts 35 and 36 of the video cassette table l8 used in the tape running control mechanism 22 of the cassette tape according to this embodiment are constituted by an optical fiber 56 and a liquid crystal shutter 93 provided on this optical fiber. However, the present invention is not limited to this embodiment, and any structure that can emit light to the light receiving sections 18a and 16b may be used, for example, an LED may be used. As in this embodiment, the optical fiber 56 and the liquid crystal shutter 93 are used to utilize the light from the light emitting part 17 provided in the video cassette deck to generate the light emitting part 3 on the cassette tape side.
5. 36, the power consumption can be reduced compared to the case of using LEDs, and the power supply section 28 can be made smaller. Furthermore, in the above embodiment, the case where the auto rewind mechanism built into the video cassette deck operates only in the playback mode was explained as an example, but the invention is not limited to the above embodiment, and it may also operate in the fast forward mode. It is also possible to apply the tape running control mechanism of the cassette tape according to this embodiment to the case where the cassette tape is configured as follows. Note that if the auto rewind mechanism is structured to operate not only in the playback mode but also in the fast forward mode, the cassette tape side light emitting section 35. It is necessary to make both of 36 emit light. Further, in the above embodiment, a case was explained in which a marker made of aluminum foil was used as the marker 23 affixed to the magnetic tape 10, but the above-mentioned silver paper may also be affixed. Furthermore, in addition to the markers affixed on the magnetic tape 10, holes may be provided at appropriate locations on the magnetic tape 10 through which light emitted from the optical sensor for marker detection passes. In this case, the marker detection optical sensor is not a reflective optical sensor equipped with a light emitting part and a light receiving part as in the above embodiment, but a light emitting part and a light receiving part are arranged on both sides of the magnetic tape 10. It needs to be an optical sensor. In addition, in this embodiment, the video cassette tape l8
The explanation has been given using an example in which music and video are recorded in advance on the magnetic table 10 of 100, and a marker 23 is provided at the start position of each recorded song, but the present invention is not limited to this embodiment. It may also be a video cassette tape with a magnetic tape that is not pre-recorded. In other words, when using a so-called blank video cassette tape in which nothing is recorded, the user can record desired recorded contents on the magnetic tape 10 as appropriate, but the starting position of the recorded contents cannot be changed. By attaching a removable marker to the tape, it can be applied to the tape running control mechanism of the video cassette tape according to the present invention.

In addition, in this embodiment, the video cassette tape l8
Although the case where only the input section 32 is provided has been described as an example, as shown in FIG. You can even try to confirm it. In this embodiment, a signal sound generating means 94 is provided in the 5-cassette half 26, and is configured to generate a signal sound when tape running stops in playback mode, fast forward mode, and rewind mode. Although the configuration has been described using an example, the present invention is not limited to this embodiment, and a configuration without a signal sound generating means may also be used. In addition, as shown in FIG. 10, an input section 32, a display section 33
and an adapter 9 provided with a control section 27, a power supply section 28, etc.
5 and a video cassette tape main body 96 containing a reel wound with magnetic tape constitute a video cassette tape 98, and the adapter 95 may be detachably formed. In this way, the adapter 95 that incorporates the input section 32, the control section 27, etc., and the video force setting tape wooden body 96,
When the video cassette tape 98 is constructed, unlike the case of the video power set tape 18 in the above embodiment, when producing a large number of video cassette tapes 98, the controller 27, the input section 32, etc. are provided. adapter 95
It is sufficient to manufacture a small quantity of video cassette tape wooden bodies 96 and a large quantity of video cassette tapes 96.
Since it is not necessary to create the input section 32, etc., it is possible to reduce the manufacturing cost of the video cassette tape 98. In addition, in the video force setting tape l8 used in the tape running system Wl & structure of the video force setting tape according to this embodiment, an optical sensor 24 consisting of a reflective photo instructor is used as the marker detection sensor 24, and an optical sensor 24 is used as the marker detection sensor 24. Although the description has been given using an example in which the marker 23 is detected, the present invention is not limited to this embodiment, and it may be configured to detect the marker 23 electrically using, for example, a sensing coil. [Effects of the Invention] As described above, the video cassette tape tape running control mechanism according to the present invention utilizes the tape running control mechanism provided on the video cassette deck side to move the magnetic tape to a desired position. A marker is provided in the cassette case of the cassette tape, and a sensor for detecting the marker is provided in the cassette case of the cassette tape.
In addition, a cassette tape side light emitting section that is linked to the marker detection sensor is provided at a portion that can emit light to the light receiving section of the optical sensor for controlling the drive motor, without making any changes to the mechanism on the video cassette deck side. , it is possible to cue the contents of a cassette tape. Therefore, unlike the conventional cassette deck cue mechanism, there is no need to provide a circuit on the video cassette deck side.
You can easily and quickly locate the beginning of the tape. In addition, in the uninvented case, an input section equipped with 10 switches each numbered from 0 to 9 is provided on the outside of the cassette half, so that a large number of recorded contents can be recorded on a video cassette tape. Even if it is recorded,
By combining each switch, it is possible to correspond to a large number of recorded contents, and the recorded contents can be selected easily and quickly.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing an embodiment of the structure of a video cassette used in the tape running control mechanism for a video cassette tape according to the present invention, and FIG. 2 is a tape running control mechanism for a video cassette tape according to the present invention. FIG. 3 is a conceptual diagram showing a tape running control U4 mechanism provided in a video cassette deck used in the mechanism. FIG. 4 is a side view showing an embodiment of the back part of the video cassette tape used in the video cassette tape tape running control mechanism according to the present invention;
FIG. 5 shows the tape running system m41 of the video cassette tape according to the present invention! FIG. 6 is a sectional view showing an example of the internal structure of a reel of a video cassette tape used in the system.
FIG. 7 is a sectional view showing a state in which the tape running control mechanism for a video cassette tape according to the present invention is used to locate the beginning of recorded contents on a cassette tape. FIG. 8 is a sectional view showing a state in which the control mechanism is used to locate the beginning of recorded content on a video cassette tape, and a state in which the light emitting parts on both cassette tape sides are emitted to stop the tape running. FIG. 9 is a sectional view showing a tape rewinding state using the tape running control mechanism for a video cassette tape according to the present invention. FIG. 10 is a side view showing another embodiment of the input section of the video cassette tape.
The figure is a perspective view showing another embodiment of the video cassette tape used in the tape running control mechanism for the video force setting tape according to the present invention. lO...Magnetic tape 12.13...Transparent part 1
4... Drive motor l5... Video cassette deck l6... Light receiving section l7... Light emitting section l8...
- Video cassette tape l9... Optical sensor for drive motor control 20... Terminating end 21... Starting end 22...
Video cassette tape tape running control mechanism 23... Marker 24... Optical sensor for marker detection 25... Tape guide 26... Cassette half 27... Control section 28... Power supply section 29...
- Light emitting section 30... Light receiving section 31... Back section 32... Input section 34... Select switch 35..., 36... Cassette tape side light emitting section 7...
- Side ribs 38... Supply side reel 9... Take-up side reel O... Optical path 2.43... Opening section 5... Tape roller 7... Outer opening section 9. ...Side part l...Front part 3.54...Rib 6...Optical fiber O...Magnetic tape winding part l...Reel hub part 62...Reel flange part 3...Inside 64... Support part 5... Inner upper surface part 6th... Recessed part 7... Tape drive shaft storage part 8... Transmission mechanism 69... Flange part O...
- Back part 7l... Drive shaft insertion hole 2... Convex part 73... Tape drive shaft 4... Driving rotation gear 75... Variable speed rotation gear 6... Reel rotation gear 77... Inside Bottom part 41... Side rib 44... Tape guide 46 - Tape presser 48... Inner opening part 50... Rib 52... Side part 55... Insertion hole 78... Support 79...Support arm 80
...Shaft part 8l...Transmission gear 82...
Drive gear 83...Shaft part 84...Rotation center part 85...Rotation shaft 86.87...Hole part 8
8...Reel stand 89...Fast forward rewind idler 90...Memory switch 91...One end 92...
Other end 93...Liquid crystal shutter 94...Signal sound generating means 95...Adapter 96...Video cassette tape body 97...Clear switch 98...Video cassette tape

Claims (1)

[Scope of Claims] Translucent parts are provided at the starting and ending ends of the magnetic tape housed in the cassette half, and a light transmitting part is provided on the video cassette deck to control the drive motor, which is comprised of a light emitting part and a light receiving part. In a video cassette tape tape running control mechanism that detects a light beam and controls the operation of the drive motor built into the video cassette deck to stop tape running, a marker is provided at the start position of the recorded content on the magnetic tape. A marker detection sensor capable of detecting the marker is provided on the inner side of the cassette half, and a cassette tape side interlocked with the marker detection sensor is provided at a portion capable of emitting light to the light receiving section of the optical sensor for controlling the drive motor. While a light emitting part is provided, the outer part of the cassette half is provided with 10 switches marked with numbers 0 to 9, respectively, to arbitrarily designate desired recording contents from among the recorded contents of the magnetic tape. When the marker detection sensor detects the marker provided at the start position of the recorded content specified by the input section, the light emitting section on the cassette tape side activates the light receiving section of the optical sensor for controlling the drive motor. 1. A tape running control mechanism for a video cassette tape, characterized in that it emits light to control the operation of a drive motor built into a video cassette deck to stop tape running.