JP2573203Y2 - Information recording device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention will be described in the following order.

A Field of Industrial Use B Outline of Invention C Conventional Technique D Problems to be Solved by the Invention E Means to Solve the Problems F Action G Example G-1 Overall Configuration (FIG. 3) G-2 Power Supply Specific Examples of Parts (FIGS. 1 and 2) H Effect of the Invention A Industrial Field of the Invention In the present invention, the recording operation selection switch is operated and thereafter the normal operation selection switch is operated. The present invention relates to an information recording device that is in a recording operation state.

B. Outline of the Invention The present invention relates to a case where the recording operation selection switch is operated in the information recording apparatus which is in the recording operation state by operating the normal operation selection switch after the recording operation selection switch is operated. When the supply of the power supply voltage to each operating unit is started and the normal operation selection switch is operated, there is no state where proper information recording can be performed from the beginning of the recording operation mode state taken thereby, and the recording operation selection switch The power supply state is maintained during the period in which the operation is continued, and the power supply is assumed to continue to be supplied for at least the predetermined period even after the operation of the recording operation selection switch is completed. By providing a supply unit, when a recording operation is performed, operation of a normal operation selection switch, and further, It is possible to reliably perform the necessary operations on other operation units with a margin, and to obtain a state in which an appropriate power supply voltage is supplied to each operation unit from the beginning of the recording operation state. It is like that.

C Prior Art In a tape recorder that records information on a magnetic tape by running a magnetic tape, for example, a recording button (REC button) or the like is provided in association with a recording operation selection switch (REC switch). For example, a forward button (FWD switch) disposed in association with a recording operation operation unit and a forward operation mode selection switch (FWD switch) for selecting a state in which the magnetic tape is set to a forward running state and a normal operation is performed. Button) or the like, and a recording operation mode is often set by operating a forward operation mode operation unit.

When the recording operation unit is operated,
When the REC switch is operated, for example, to be turned on, the operation of the operation unit for the forward operation mode causes the FWD switch to be turned on, for example. The result is to be manipulated as if it were. In practice, the REC switch is operated to prevent a situation in which a recording operation state unintended by the user of the tape recorder is mistakenly taken.
By operating the FWD switch at the same time or thereafter, the recording operation mode is set.

D Problems to be Solved by the Invention As described above, a conventionally proposed tape in which the recording operation mode is set by operating the REC switch and simultaneously or subsequently operating the FWD switch. In the recorder, when the REC switch is operated and the FWD switch is operated, the supply of the power supply voltage to each operating unit is started. Therefore, at the beginning of the state in which the REC switch is operated and the FWD switch is operated at the same time or thereafter, and the recording operation mode is set, the power supply voltage to each operating portion is called a rising state. It is not in a state of being supplied properly due to a transient state in which the information is not properly supplied to the magnetic tape. However, there is an inconvenience that a predetermined holding time is required until the start of actual recording of information on the magnetic tape. May not be performed properly.

In view of such a point, the present invention provides a recording operation unit in which a recording operation mode is set by operating a REC switch and thereafter operating a normal operation selection switch such as an FWD switch. To provide an information recording device having a recording operation mode in which a proper power supply voltage is supplied to each operation unit from the beginning when the recording operation mode is set in the recording operation unit. With the goal.

E Means for Solving the Problems In order to achieve the above-mentioned object, the information recording apparatus according to the present invention operates in the recording operation mode by operating the REC switch and then operating the normal operation selection switch. RE equipped with a recording unit
When the C switch is operated, the supply of the power supply voltage to each operation unit including the recording operation unit is started, and when the normal operation selection switch is operated, the proper information recording is performed from the beginning of the recording operation mode state taken by the switch. When the operation state of the REC switch is terminated without operating the normal operation selection switch, the power supply state is maintained while the operation state of the REC switch is continued. The supply state of the power supply voltage is maintained for a predetermined period of time, and when the normal operation selection switch is operated during a period in which the operation state of the REC switch is continued or the predetermined period described above, the operation state of the normal operation selection switch is changed to A power supply unit that maintains a supply state of the power supply voltage during a continuous period is provided and configured.

F action In the information recording apparatus according to the present invention configured as described above, the recording operation unit is set to the recording operation mode by the RE.
When the REC switch is operated when the C switch and the normal operation selection switch are operated, the power supply unit starts supplying the power supply voltage to each operation unit including the recording operation unit, and the normal operation selection switch is operated. When this is done, the state is such that proper information recording can be performed from the beginning of the recording operation mode state taken thereby. That is, when the normal operation selection switch is subsequently operated and the recording operation mode is set in the recording operation unit, the power supply voltage for each operation unit is appropriately supplied through the rising state at that time. become. Therefore, an appropriate power supply voltage is supplied to each operating section from the beginning of the recording operation mode state, and a state where appropriate information recording is performed without requiring a waiting time.

Also, once the power supply unit starts supplying the power supply voltage to each operating unit in accordance with the operation of the REC switch, the operation state of the REC switch ends without operating the normal operation selection switch. The supply of the power supply voltage is continued during a predetermined period thereafter, and when the normal operation selection switch is operated during the predetermined period, the power supply voltage is maintained during the operation state of the normal operation selection switch. Supply will continue, so RE
Thus, a state is obtained in which the operation of the normal operation selection switch after the operation of the C switch, and further, the operation of other operation units, etc., can be reliably performed with a margin.

In addition, supply of the power supply voltage to each operation unit including the recording operation unit is performed during the period when the REC switch is operated,
Since the operation is limited to a predetermined period after the operation of the C switch is completed, and to a period in which the normal operation selection switch following the predetermined period is in the operating state, power supply voltage is supplied more efficiently. Power consumption is reduced.

G Example G-1 Overall Configuration (FIG. 3) FIG. 3 shows an external appearance of an example of an information recording apparatus according to the present invention, and this example forms a small-sized tape recorder using a cassette tape. ing.

The example shown in FIG. 3 includes a housing 11, in which a tape cassette mounting portion 12 in which a tape cassette can be attached and detached is formed. In, a small tape cassette 13 containing a magnetic tape is mounted in a tape cassette mounting section 12. Further, inside the housing 11, various operation units including a recording operation unit configured by a combination of a mechanical mechanism and an electric circuit, and a power supply unit for supplying a power supply voltage to the various operation units are housed. Have been.

FWD button 15, STOP button 16, FF button 17
And REW buttons 18 are arranged. When the FWD button 15 is pressed, the FWD switch is operated so as to be turned on, whereby the forward operation mode in which the magnetic tape is forward-forwarded and the normal operation state is taken is selected. When pressed, the STOP button 16 is operated so that the stop switch is turned on,
Thereby, the magnetic tape feeding operation or the like by the tape drive mechanism under each operation mode is to be stopped, and when the FF button 17 is pressed,
The fast-forward switch is operated to be in the on state, whereby the fast-forward operation mode is to be selected.When the REW button 18 is pressed, the rewind switch is turned on. Operation, whereby the rewind operation mode is selected.

An REC button 20, a volume up (VOL- +) button 21, and a volume down (VOL--) button 22 are arranged on an outer surface 19 of the housing 11 adjacent to the outer surface 14. When the REC button 20 is pressed, the REC switch is operated so as to be in an ON state, whereby a recording operation state is prepared.
1 indicates that when a pressing operation is performed, the recording signal level or the reproducing signal level is increased, and further, when the pressing operation is performed, the recording signal level or the reproducing signal level decreases when the pressing operation is performed. It is supposed to be confused.

Further, a microphone connection jack 23 and an earphone connection jack 24 are provided on the outer side surface portion 19 of the housing 11.

In such an example, the REC button 20 is pressed and the REC switch is operated to be turned on, and simultaneously or after that, the FWD button 15 is pressed and the FWD switch is turned on. Is operated, the recording operation mode is set.

G-2 Specific Example of Power Supply Unit (FIGS. 1 and 2) FIG. 1 is a diagram showing a power supply unit in a small-sized tape recorder as an example of the information recording apparatus according to the present invention configured as described above. A specific configuration example is shown together with an operating unit to which the power supply voltage is supplied.

In this specific configuration example, a power supply starting unit 31 is connected to the other end of the battery 30 whose one end is grounded, and a power supply voltage + is applied from the output end of the power supply starting unit 31 to each operating unit 32 including the recording operation unit.
B is supplied. A series connection of a diode 33 and an REC switch 34, a series connection of a diode 35 and an FWD switch 36, and a field effect transistor serving as a switching element are provided between the control terminal 31a of the power supply starter 31 and the ground potential point. The drain-source path of the (FET) 37 is connected in parallel, and the other end of the battery 30 and the power supply starting unit 31
Resistors 38, 39, and 40 are respectively connected between a control point 31a, a connection point between the diode 33 and the REC switch 34, and a connection point between the diode 35 and the FWD switch 36. I have. The REC switch 34 and the FWD switch 36
The C button 20 and the FWD button 15 are operated so as to be turned on by being pressed, and here, they also function as a part of a power supply unit.

The connection point between the diode 33 and the REC switch 34 and the connection point between the diode 35 and the FWD switch 36 are as follows:
The first output terminal of the mode determination unit 41 is connected to both the enable (EN) terminal of the timer 42 and the input terminal of the delay unit 43. A second output terminal of the mode determination unit 41 is connected to a control terminal 32a of each operation unit 32 including the recording operation unit. The output terminal of the timer 42 and the output terminal of the delay unit 43 are connected to a pair of input terminals of the OR circuit unit 44, respectively.
The output terminal of 44 is connected to the gate of 37 of the FET.

The power supply voltage + B obtained at the output terminal of the power supply starting unit 31 is supplied to the mode determining unit 41, the timer 42, and other parts, and is supplied to the delay unit 43, the OR circuit unit 44, and the like. The illustration of the power connection is omitted.

When all of the REC switch 34, the FWD switch 36, and the FET 37 are turned off with the power supply unit configured as described above, the control terminal 31 in the power supply starting unit 31
The voltage Vc supplied to a has the voltage value (battery voltage value) Vb of the battery 30, whereby the power supply starting unit 31 is inactive and the power supply voltage + B from its output terminal is Is not supplied.

Then, for example, at time t1, when the REC switch 34 is operated to turn on, the diode 33 and the REC switch
As shown in FIG. 2A, the voltage Vr obtained at the connection point with the switch 34 at the time t1 is the battery voltage value Vb
From the control terminal 31 of the power supply starting unit 31
The voltage Vc supplied to a also falls from the battery voltage value Vb to zero at time t1, as shown in FIG. 2G.
As a result, the power supply starting unit 31 is brought into an operating state, and as shown in FIG. 2H, a power supply voltage + B rising at time t1 is obtained at the output terminal of the power supply starting unit 31. The supply of the power supply voltage + B from the output terminal is started. After the rising period, the power supply voltage + B
The power supply voltage value is assumed to be Vcc.

In addition, at time t1, the voltage Vr becomes zero,
The ON state of the REC switch 34 is detected by the mode determination unit 41, and the detection output signal Sa obtained at the first output terminal of the mode determination unit 41 changes from the low level to the high level at the time t1, as shown in FIG. 2C. Stand up to the level.

The REC switch 34 is, for example, kept on until the time point t3 and turned off after the time point t3. Therefore, as shown in FIG. 2A, the voltage Vr is changed to the time point t1.
From time t3 to a state in which the battery voltage value Vb is taken after time t3, and as shown in FIG. 2C, the detection output signal Sa from the mode determination unit 14 is changed from time t1 to time t3. The high level is maintained until t3, and the state becomes low after time t3.

Then, the FWD switch 36 is turned on, for example, at time t1 and time t3.
Is operated at time t2 between the diode 35 and the FWD switch 36, the voltage Vf obtained at the connection point between the diode 35 and the FWD switch 36, as shown in FIG. The voltage value Vb falls to zero. As a result, in the mode determination unit 41, in addition to the REC switch 34, the FWD
It is detected that the switch 36 has also been turned on, and a mode instruction signal transmitted from the second output terminal of the mode determination unit 41
Cm is supplied to the control terminal 32a of each operating unit 32 including the recording operation unit as an instruction of the recording operation mode, and as a result, the recording operation unit assumes the recording operation mode.
As described above, when the recording operation mode is set at the time point t2, each of the operation units 32 including the recording operation unit changes the power supply voltage + B from the output terminal of the power supply activation unit 31 to the normal power supply voltage value Vc.
c is supplied properly and therefore,
From the beginning of the state in which the recording operation mode is set, the information can be properly recorded.

Note that the FWD switch 36 is turned on at the time point t2, so that the REC switch 34 is turned off after the time point t3, and the FET 37 is assumed to be turned off at that time. However, the voltage Vc supplied to the control terminal 31a of the power activation unit 31 is
The voltage is maintained at zero even after the time point t3. As a result, the power supply voltage +
The supply of B is continued.

The detection output signal Sa from the mode determination unit 41 is maintained at a high level from time t1 to time t3, and assumes a low level after time t3, so that the detection output signal Sa is supplied to its input terminal. The delayed signal Sa 'obtained at the output end of the delay unit 43 is the detected output signal as shown in FIG.
The timer 42 in which the detection output signal Sa is supplied to its EN terminal has a period in which the detection output signal Sa is supplied to the EN terminal thereof at a time t3 when the detection output signal Sa The measurement is started in response to the fall from the low level to the low level, and the operation is continued to continue the measurement during a preset period until time t5.
As shown in (2), the output signal Sb which takes a high level only during the measurement period from the time point t3 to the time point t5 is transmitted.

The delay signal Sa 'from the delay unit 43 and the output signal Sb from the timer 42 are supplied to an OR circuit unit 44, and the OR circuit unit 44 outputs the delay signal Sa' and the output signal as shown in FIG. When at least one of Sb takes a high level, an OR output signal Sc assumed to take a high level is obtained,
It is supplied to the gate of FET37. Thereby, FET37
Is the period during which the OR output signal Sc takes a high level, that is, the time point
In the period from the time point delayed by a short time τ from the time point t1 to the time point t5, the ON state is assumed. Therefore, if
Even if the FWD switch 36 is not turned on at the time t2 and is maintained in the off state, the RE
After the C switch 34 is turned on, until the time point t5, the voltage Vc supplied to the control terminal 31a of the power activation unit 31 is
The power supply voltage + B having the power supply voltage value Vcc from the output terminal of the power supply starting unit 31 is continuously supplied from the output terminal of the power supply starting unit 31 as a result of being maintained at zero through the FET 37 turned on. That is, once the REC switch 34 is turned on, the REC switch
After the switch 34 is turned off, a predetermined period, which is a counting period set in the timer 42, is performed by the power supply starting unit.
The supply of the power supply voltage + B having the power supply voltage value Vcc from the output terminal 31 is continued after the period in which the REC switch 34 is maintained in the ON state.

Then, the FWD switch 36 is, for example, at time t5 after time t5.
The on state continues until time t6, and is turned off after time t6. Therefore, as shown in FIG. 2B, the voltage Vf is maintained at zero from time t2 to time t6, and at time t6 Thereafter, when the battery voltage value Vb is taken, as shown in FIG. 2G, the voltage Vc supplied to the control terminal 31a of the power supply starting unit 31 changes from zero at time t6 to the battery voltage value. The voltage rises to Vb, and is maintained at the battery voltage value Vb after time t6. Therefore, after the time point t6, the power supply start unit 31 is inactivated, and as shown in FIG. 2H, the power supply voltage + B obtained at the output terminal of the power supply start unit 31 is slightly different from the time point t6. It falls toward zero with a delay, and after a lapse of the falling period, the supply of the power supply voltage + B from the output terminal of the power supply starting unit 31 is stopped.

Further, as shown in FIG. 2B, the voltage Vf rises from zero to the battery voltage value Vb at time t6, so that the mode determination unit 41 detects that the FWD switch 36 has been turned off, The mode instruction signal Cm sent from the second output terminal of the determination unit 41 is supplied to the control terminal 32a of each operation unit 32 including the recording operation unit, assuming that it instructs the release of the recording operation mode. The recording operation section releases the recording operation mode.

In the above description, the FWD switch 36 is switched from the point in time t1 to the point in time t3 when the REC switch 34 is kept on.
Has been operated to be turned on at time t2 during the period up to, for example, when the FWD switch 36 is turned on at the time t1 when the REC switch 34 is set to maintain the on state.
At time t4 after the time period from time t3 to time t3 has elapsed, whereby the voltage Vf is changed to the battery voltage at time t4 after time t3, as shown by the dashed line in FIG. 2B. Even when it is assumed that the voltage falls from Vb to zero, if time t4 is before time t5, FE
By maintaining T37 in the ON state, the power supply activation unit 31
The voltage Vc supplied to the control terminal 31a of the FWD switch 36 is maintained at zero, whereby the supply of the power supply voltage + B having the power supply voltage value Vcc from the output terminal of the power supply starter 31 is continued. Is turned on. Therefore, after the time t1 when the REC switch 34 is operated to turn on,
If the FWD switch 36 is operated to turn on during the period up to the time point t5, the recording operation unit is set to the recording operation mode.

During the period from the time when the REC switch 34 is turned on to the time when the FWD switch 36 is turned on, the magnetic tape is kept in the running state. The normal power supply voltage + B is supplied to the operating unit 32 and the like. During that period, for example,
The recording signal level can be set by operating the VOL + button 21 or the VOL-button 22.

H Effects of the Invention As is clear from the above description, according to the information recording apparatus of the present invention, the REC switch is operated, and at the same time or thereafter, for example, the normal operation selection switch such as the FWD switch is operated. With the provision of the recording operation unit in which the recording operation mode is set, the supply of the power supply voltage to each operation unit including the recording operation unit is started in response to the operation of the REC switch. When the normal operation selection switch is operated, there is no state where proper information recording can be performed from the beginning of the recording operation mode state taken thereby, and during the period in which the operation state of the REC switch is continued, each operation unit is When the supply of the power supply voltage is continued and the operation state of the REC switch ends without operating the normal operation selection switch The normal operation selection switch is operated during a period in which the supply of the power supply voltage to each operation unit is continued during a predetermined period thereafter and the operation state of the REC switch is continued or the above-described predetermined period. When the recording operation mode is set, the supply of the power supply voltage to each operation unit is continued while the operation state of the normal operation selection switch is maintained. The operation selection switch can be reliably operated with a margin, and when the recording operation mode is set, information recording can be appropriately performed from the beginning without requiring a waiting time.

In addition, the supply of the power supply voltage to each operation unit including the recording operation unit is performed during the period when the REC switch is operated.
A predetermined period after the operation of the switch is completed, and the normal operation selection switch subsequent to the predetermined period is limited to a period in which the switch is in the operating state. The advantage that power consumption is reduced is obtained.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a specific configuration example of a power supply unit in an example of the information recording apparatus according to the present invention, together with an operation unit to which a power supply voltage is supplied, and FIG. 2 is a power supply unit shown in FIG. FIG. 3 is a perspective view showing an external appearance of an example of the information recording apparatus according to the present invention. In the figure, 11 is a box, 12 is a tape cassette mounting part, 15 is FWD
Button, 16 is STOP button, 17 is FF button, 18 is REW button, 20 is REC button, 30
Is a battery, 31 is a power activation unit, 32 is each operation unit including a recording operation unit, 34 is a REC switch, 36 is an FWD switch, 37 is FE
T, 41 is a mode determination unit, 42 is a timer, 43 is a delay unit, 44
Is an OR circuit unit.

 ──────────────────────────────────────────────────続 き Continued on the front page (56) References JP-A-58-68258 (JP, A) JP-A-56-119127 (JP, U) JP-A-62-101157 (JP, U)

Claims (1)

(57) [Scope of request for utility model registration] A recording operation section for setting a recording operation mode by operating a recording operation selection switch and thereafter operating a normal operation selection switch; and When the supply of the power supply voltage to each operation unit including the recording operation unit is started and the normal operation selection switch is operated,
From the beginning of the recording operation mode state taken thereby, there is no state where proper information recording can be performed, and during the period when the operation state of the recording operation selection switch is continued, the supply state of the power supply voltage is maintained, When the operation state of the recording operation selection switch ends without operating the normal operation selection switch, the supply state of the power supply voltage is maintained for a predetermined period thereafter, and the operation state of the recording operation selection switch is continued. A power supply unit that maintains the supply state of the power supply voltage during a period in which the operation state of the normal operation selection switch is continued when the normal operation selection switch is operated during the predetermined period or the predetermined period. An information recording device configured to include.