US3928846A - Operation condition detecting and displaying device - Google Patents

Operation condition detecting and displaying device Download PDF

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Publication number
US3928846A
US3928846A US530990A US53099074A US3928846A US 3928846 A US3928846 A US 3928846A US 530990 A US530990 A US 530990A US 53099074 A US53099074 A US 53099074A US 3928846 A US3928846 A US 3928846A
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United States
Prior art keywords
switch
operation condition
indication
drive means
displaying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US530990A
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English (en)
Inventor
Kiyoyuki Arai
Tomio Kikuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec Precision Corp
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Nidec Copal Corp
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Publication date
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Publication of US3928846A publication Critical patent/US3928846A/en
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G04C10/04—Arrangements of electric power supplies in time pieces with means for indicating the condition of the power supply
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/02—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles
    • G09F11/06—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles the elements being stiff plates or cards

Definitions

  • ABSTRACT An operation condition detecting and displaying device for use in conjunction with a rotary indication device including a control circuit for energizing drive means adapted to successively switch and display a plurality of indicating members in series when the drive means receives actuation signals.
  • the operation condition detecting and displaying device comprises at least one abnormal operation condition indication member, a switch cam mounted on the rotary member of said rotary indication device, a first switch in said control circuit to be actuated by said switch cam so as to energize said drive means for successively switching and displaying said indication members, an operation condition detection circuit for generating a check signal when said detection circuit detects an abnormal operation condition and a second switch in said control circuit to be actuated by said cam disc and adapted to energize said drive means when said abnormal condition indication member is positioned in the displaying position while said indication device is operating under normal condition, so as to pass the indicattion member over the displaying position and also energize the drive means when an abnormal condition occurs in said indication device so as to hold said abnormal condition-indication member in said displaying position.
  • This invention relates to an operation condition detecting and displaying device and more particularly, to an operation condition detecting and displaying device for use in conjunction with an indication device such as a digital clock, for example, to detect a normal or abnormal operation condition of the indication device and display the detected operation condition of the indication device.
  • One of the prior art operation condition detecting and displaying devices is so designed that in order to detect and display whether an indication device associated with the detecting and displaying device and adapted to effect a predetermined operation in response to an electric input signal such as a motor-driven digital clock is operating under normal conditions or under abnormal conditions, the rotor of the motor (the rotor may be a rotary section of the indication device which rotates continuously at a high speed) is so arranged that the rotor can be directly observed from external through a peeping window to determine the operation condition of the indication device by detecting whether the rotor is rotating or not (or rotating abnormally) or alternatively, the operation condition of the indication device is displayed by means of a LED (light emitting diode), an electric displaying member such as an ampere meter or an acoustic member.
  • a LED light emitting diode
  • an electric displaying member such as an ampere meter or an acoustic member.
  • the object of the present invention is to provice an operation condition detecting and displaying device for use in conjunction with an indication device which can eliminate the abovementioned disadvantages and which has an abnormal operation condition displaying means combined with the indication members in series of the indication device itself which are the objects to be displayed.
  • FIG. 1 is a fragmentary schematic view of essential parts of one embodiment of operation condition detecting and displaying device of the present invention
  • FIG. 2 is a schematic view of the control circuit of the device as shown in FIG. I;
  • FIG. 3 is a schematic view of a modification of the control circuit of FIG. 2.
  • FIG. 1 shows one embodiment of operation condition detecting and displaying device of the present invention as being incorporated in a flap-type day of the week indication device as one application, but it is to be understood that the present invention can be also employed in conjunction with other digital clocks and indication devices in which indications in series are successively switched.
  • a series of flaps or indication members 1 l, 1 2 I 8 each carrying predetermined informations or days of the week informations are pivoted at one edge to the periphery of a drum 2 and adapted to be successively brought toand held in the exposing or displaying position one after another by a claw or an engaging means (not shown) to give a predetermined desired indication and more particularly, as the drum 2 is rotated by a predetermined angular distance, the flap which is now held in the displaying position by the engaging means is disengaged from the engaging means -to be allowed to pivot downwardly and, at the same time, the succeeding flap is engaged by the engaging means to be held in the exposing or displaying position so as to display the informations carried thereby for observation.
  • the flaps carrying the days of the week informations willbe referred to as flaps in series
  • the flaps carrying the abnormal operation condition informations will be referred to as specific flaps hereinafter, respectively.
  • FIG. 1 such specific flaps are shown by l l and l 8, respectively. That is, the detecting and displaying device is shown with the specific flaps held in the displaying or exposing position.
  • the drum 2" has a shaft 3 secured thereto and shaft 3 is provided at the end remote from the end where the drum 2 is secured with a gear 4 which is in turn meshing with a pinionS.
  • Engaged with the pinion 5 is a worm wheel 6 which is in turn in meshing with a worm 7 mounted on the output shaft of an electric motor 8.
  • the ration of the gear 4 to the pinion 5 is so selected that when the drum 2 is rotated by an angu lar distance sufficient to effect one information switching operation, the worm wheel 6 makes one complete rotation.
  • a switch cam 9 Secured tothe worm wheel 6 is a switch cam 9 which is formed with a recess 9a and one arm 11a of a switch operation lever 11 which is pivoted to a stub shaft 10 and preferably urged normally in the clockwise direction by means of a spring (not shown) is adapted to contact the switch cam 9.
  • the other arm 11b of the switch lever 11 has a pin 12 embedded in and projecting laterally of the other lever arm and contacting one movable contact 13 of a pair of contacts 13 and 14 (the latter is stationary) of a normally open switch SWb.
  • the shape and dimensions of the cam 9 is so selected that when the periphery 9a of the switch cam 9 is engaged by the arm llu of the lever 11, the lever II is pivoted in the counter-clockwise direction and the pin 12 on the lever 11 pushes the movable contact 13 to cause the contact to engage the other or stationary contact 14 to therby close the switch SWb and on the other hand, when the lever arm 11a engages in the recess 9a in the cam 9, the pin 12 on the lever 11 is subjectedto the resilient action afforded by both the spring (not shown) and the contact 13 so as to pivot the lever in the clockwise direction to open the switch SWb.
  • the angular position of the recess 90 in the switch cam 9 is also so selected that when any one of the flaps is positioned in the exposing or displaying position, the cam recess 9a is engaged by the arm 11a of the lever 11 to thereby maintain the switch SWb in its open position, but when the motor 8 is energized to rotate the switch cam 9 so as to cause the cam recess 9a to disengage from the lever 11 or more particularly, from the lever arm 11a, the lever arm 11a immediately contacts the periphery 9b of the cam 9 to thereby close the switch SWb.
  • the shaft 3 also has a cam disc 15 at the left-hand end (as seen in FIG. 1) adjacent to and inwardly of the drum 2 and the cam disc is formed with a notch,16 in the periphery thereof.
  • a switch lever 19 is pivoted in the center thereof to a stub shaft 17 and has at one end a downwardly extending pawl which is normally urged in the counter-clockwise direction to engage the cam disc 15 by a coiled spring 18 which is anchored at one end to the switch lever and at the other to a suitable anchoring member (not shown).
  • the other end of the switch lever 19 has a pin 21 embedded and extending laterally of the associated lever and a switchSWa is provided adjacent to the switch lever 19 with its movable contact 22 positioned to be engaged by the pin 21 in the manner as will be described hereinbelow.
  • the arrangement is so made that when the pawl 20 at one end of the switch lever 19 is in abutment against the periphery of the cam disc 15, the pin 21 atthe other end of the lever 19 pushes the movable contact 22 of the switch SWa to cause the contact to contact one stationary contact 23 of the same switch while when the pawl 20 of the lever 19 engages in the cam notch 16 as the shaft 3 and accordingly, the cam disc,15 rotates, the pin 21 is moved upwardly to cause the movable contact 22. to disengage from the contact 23 and contact the other stationary contact 24 of the switch SWa.
  • the angular position of the cam recess 16 in the cam disc 15 is so selected that when the specific flaps such as the flap 1 1 and 1 8 (the informations relating to cell change, forexample) are positioned in the exposing or displaying position, the pawl 20 on the lever .19 engages in the cam notch 16 in the cam disc 15.
  • the operation condition detecting and displaying device of the invention comprising the components constructed and arranged as described hereinabove is electrically connected to a control circuit through the above-mentioned switches SWa and SWb in the manner as will be described hereinbelow.
  • the drive motor 8 is energized or rotated each time the control circuit is fed with an information switching input signal.
  • the arm 11a of the lever 11 is caused to disengage from the cam recess 9a in the switch cam 9 to allow the movable contact 13 to contact the stationary contact 14 to thereby close the switch SW1) while the motor 8 continues to rotate.
  • the pawl 20 of the lever 19 engages in the cam notch 16 in the cam disc 15 to pivot the lever 19 in the counter-clockwise direction so as to cause the movable contact 22 to separate from the stationary contact 23 and engage the other stationary contact 24 of the switch SW0 to thereby energize the motor 8 which in turn passesthe specific flaps over the displaying position and position the succeeding flap following the specific flaps in the displaying position.
  • the specific flaps are not held in the displaying position, but only the flaps in series are successively brought to and held in the displaying position.
  • a detection circuit detects such an abnormal operation condition and generates a check signal which is fed to the control circuit.
  • the operation mode of the switch SWa is switched to maintain the motor 8 in its energized condition until the specific flaps are brought to and held in the exposing or displaying position whereupon the pawl 20 of the lever 19 engages in the cam notch 16 in the cam disc 15 to shift the switch SWa to the mode in which the motor 8 is denergized so as to stop the drum whereby the abnormal operation condition is displayed.
  • the control circuit includes a SCR adapted to be made conductive upon being fed with an input signal'for switching informations in a series one after another in a predetermined order, an electric power source E, a breaking switch SW0, a transistor 25 and transistor 26, 27 adapted to selectively feed check signals relating to abnormal operation conditions to their bases.
  • the motor 8 is connected through the emitter and collector of the transistor 25 and the switch SW0 'to the electric power source E and the SCR, switch SWb, transistors 26, 27 and switch SWa are electrically connected to each other as shown in FIG. 2.
  • a detection circuit adapted to detect the voltage at the electric power source and generate a check signal or to switch an energizing signal when the voltage drops below a predetermined value.
  • the terminals 28 and 29 are adapted to be connected to the bases of the transistors 26 and 27, respectively and when the indication device is operating under normal conditions, the terminal 28 and terminal 29 are fed with a deenergizing signal and an energizing signal, respectively, from the detection circuit to thereby maintain the transistor 26 in the OFF position and the transistor 27 in the ON position.
  • the terminal 28 is fed with an energizing signal and the terminal 29 is fed with a deenergizing signal, respectively, from the detection circuit I to thereby turn the transistor 26 to the ON position and the transistor 29 to the OFF position, respectively.
  • the switch cam 9 makes one complete rotation until the lever arm lla reengages in the cam recess 9a in the switch cam 9 whereupon the switch SW!) is opened again to turn the transistor 25 to the OFF position to stop the rotation of the motor 8.
  • the drum 2 is indexed to the position in which the succeeding flap is brought to and held in the exposing or displaying position.
  • the switch SWa is switched to cause the movable contact 22 to disengage from the stationary contact 23 and engage the other stationary contact 24 and thus, the transistor 25 is turned to the ON position because of its connection with the transistor 27 which is now in the ON position to thereby energize the motor 8 which in turn closes the switch SWb.
  • the motor 8 continues to rotate so as to pass the specific flaps over the display position and then bring the succeeding flap of the flaps in series to the displaying position. Thereafter, the flaps in series are successively brought to and held in the displaying position.
  • the transistor 25 is turned to the ON position by the transistor 26 which is now in the ON position whereby the flaps in series are successively switched and brought to the displaying position until the specific flaps are brought to the displaying position whereupon the pawl 20 of the lever 19 engages in the notch 16 in the cam disc 15 to switch the movable contact 22 from its engagement with the stationary contact 23 to the other stationary contact 24 and the transistor 25 is turned to the OFF position by the transistor 27 which is now in the OFF position to thereby stop the rotation of the motor 8 and display the abnormal operation informations on the specific flaps.
  • FIG. 3 shows amodification of the control circuit of FIG. 2 and this modified circuit is substantially similar to that of FIG. 2 except for the following arrangement and operation mode of the components.
  • the check signal is fed to the base of the transistor 30 to turn the transistor to the ON position which in turn energizes the solenoid 31 connected to the transistor.
  • the energization of the solenoid 31" causes the switch SWd interconnected therewith to shift its contact engagement condition.
  • the arrangement is so made that the shifting of the contact engagement condition in the switch SWa cooperates with the shifting of theengagement condition of the movable contact 22 with respect to the stationary contacts 23 and 24 in the SWa as shown in FIG. 2 so as to switch the flaps in series in turn while the indication device is operating under normal conditions and when the base of the transistor 30 is fed with a check signal upon occurrence of an abnormal operation condition in the indication device, the motor 8 is rotated to cause the switch SW1! to switch in such a manner that the flaps in series are skipped until the specific flaps are brought to and held in the displaying position.
  • a rotary indication device including a control circuit for energizing drive means adapted to successively switch and display a plurality of indication members in series each time said drive means is fed with a predetermined actuation signal
  • an operation condition detecting and displaying device including at least one abnormal operation condition indication member added to said plurality of indication members in series, a switch cam mounted on the rotary member of said rotary indication device, a first switch provided in said control circuit and interlocked with said switch cam to be actuated thereby so as to energize said drive means to cause the drive means to successively switch and display said indication members in series and abnormal operation condition indication member, an operation condition detection circuit for generating a check signal when said detection circuit detects an abnormal operation condition of said indication device and a second switch provided in said control circuit and interlocked with said cam disc to be a actuated thereby, said second switch being so arranged that when said abnormal operation condition indication member is positioned in the displaying position, the second switch energizes said drive means to cause the drive means to pass the abnormal operation

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Electromechanical Clocks (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Motor And Converter Starters (AREA)
  • Cookers (AREA)
US530990A 1973-12-14 1974-12-09 Operation condition detecting and displaying device Expired - Lifetime US3928846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1973141719U JPS53145Y2 (en, 2012) 1973-12-14 1973-12-14

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US3928846A true US3928846A (en) 1975-12-23

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US530990A Expired - Lifetime US3928846A (en) 1973-12-14 1974-12-09 Operation condition detecting and displaying device

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US (1) US3928846A (en, 2012)
JP (1) JPS53145Y2 (en, 2012)
DE (1) DE2459054C3 (en, 2012)
FR (1) FR2254847B1 (en, 2012)
GB (1) GB1495288A (en, 2012)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024415A (en) * 1974-12-20 1977-05-17 Matsura Yoshiaki Detecting device for detecting battery outlet voltage
US4087804A (en) * 1975-11-22 1978-05-02 Robert Bosch Gmbh Information display device
US4117474A (en) * 1976-11-19 1978-09-26 Augustine Lloyd E Communications device with plural, power-operated display mechanisms selectively controlled by an operator
US4490658A (en) * 1982-09-29 1984-12-25 International Telephone And Telegraph Corporation Circuit for automatically sequencing a valve mechanism
EP0621519A3 (fr) * 1993-04-20 1995-03-01 Isa France Sa Pièce d'horlogerie comprenant un dispositif indicateur de fin de vie de pile.
US5657565A (en) * 1995-12-20 1997-08-19 Admotion Corporation Compact display apparatus
US5767650A (en) * 1996-02-16 1998-06-16 Admotion Corporation Display apparatus with DC gear motor drive control
US5783919A (en) * 1996-02-16 1998-07-21 Admotion Corporation Display apparatus with AC gear motor drive control
US5815968A (en) * 1996-07-22 1998-10-06 Admotion Corporation Display apparatus having thermal compensation
US6587050B2 (en) 2001-07-24 2003-07-01 Eaton Corporation Oscillator activated continuity testing switch
US6653846B2 (en) 2001-09-14 2003-11-25 Eaton Corporation Multifunction circuit continuity and sensor tester
US20080122795A1 (en) * 2006-11-28 2008-05-29 Konica Minolta Business Technologies, Inc. Operation Panel Structure

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53132382A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
JPS53132385A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
JPS57127725A (en) * 1981-01-29 1982-08-09 Toshiba Corp Cooking apparatus
US4517428A (en) * 1981-05-29 1985-05-14 Tokyo Shibaura Denki Kabushiki Kaisha Menu display device
JP2917760B2 (ja) * 1993-06-29 1999-07-12 住友電装株式会社 開閉式電子機器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2363056A (en) * 1940-09-19 1944-11-21 Teleregister Corp Indicating device
US3375512A (en) * 1965-03-19 1968-03-26 Patwin Inc Power-off indicator
US3430222A (en) * 1964-09-22 1969-02-25 Gen Time Corp Remote signaling system
US3482240A (en) * 1965-04-23 1969-12-02 Solari & C Spa Device for controlling and automatically correcting the synchronization of indicator elements in remote display mechanisms
US3696390A (en) * 1970-10-19 1972-10-03 Bendix Corp Digital magnetic wheel logic control network

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE947358C (de) * 1951-11-06 1956-08-16 Magdalin Christian Gleerup Mol Fortschaltvorrichtung fuer Klappentrommeln
DE1964185A1 (de) * 1968-12-30 1970-07-16 Ford Werke Ag Maschine zum Zertruemmern von zum Verschrotten bestimmten Gegenstaenden
US3771242A (en) * 1972-05-15 1973-11-13 Conrac Corp Split flap display module

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2363056A (en) * 1940-09-19 1944-11-21 Teleregister Corp Indicating device
US3430222A (en) * 1964-09-22 1969-02-25 Gen Time Corp Remote signaling system
US3375512A (en) * 1965-03-19 1968-03-26 Patwin Inc Power-off indicator
US3482240A (en) * 1965-04-23 1969-12-02 Solari & C Spa Device for controlling and automatically correcting the synchronization of indicator elements in remote display mechanisms
US3696390A (en) * 1970-10-19 1972-10-03 Bendix Corp Digital magnetic wheel logic control network

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024415A (en) * 1974-12-20 1977-05-17 Matsura Yoshiaki Detecting device for detecting battery outlet voltage
US4087804A (en) * 1975-11-22 1978-05-02 Robert Bosch Gmbh Information display device
US4117474A (en) * 1976-11-19 1978-09-26 Augustine Lloyd E Communications device with plural, power-operated display mechanisms selectively controlled by an operator
US4490658A (en) * 1982-09-29 1984-12-25 International Telephone And Telegraph Corporation Circuit for automatically sequencing a valve mechanism
CH688462GA3 (fr) * 1993-04-20 1997-10-15 Isa France Sa Mouvement d'horlogerie comprenant un dispositif indicateur de fin de vie de pile.
EP0621519A3 (fr) * 1993-04-20 1995-03-01 Isa France Sa Pièce d'horlogerie comprenant un dispositif indicateur de fin de vie de pile.
US5446702A (en) * 1993-04-20 1995-08-29 Isa France S.A. Horological piece comprising a battery end of life indicator device
US5657565A (en) * 1995-12-20 1997-08-19 Admotion Corporation Compact display apparatus
US5767650A (en) * 1996-02-16 1998-06-16 Admotion Corporation Display apparatus with DC gear motor drive control
US5783919A (en) * 1996-02-16 1998-07-21 Admotion Corporation Display apparatus with AC gear motor drive control
US5815968A (en) * 1996-07-22 1998-10-06 Admotion Corporation Display apparatus having thermal compensation
US6587050B2 (en) 2001-07-24 2003-07-01 Eaton Corporation Oscillator activated continuity testing switch
US6653846B2 (en) 2001-09-14 2003-11-25 Eaton Corporation Multifunction circuit continuity and sensor tester
US20080122795A1 (en) * 2006-11-28 2008-05-29 Konica Minolta Business Technologies, Inc. Operation Panel Structure
US8537106B2 (en) * 2006-11-28 2013-09-17 Konica Minolta Business Technologies, Inc. Operation panel structure

Also Published As

Publication number Publication date
JPS5087889U (en, 2012) 1975-07-25
FR2254847A1 (en, 2012) 1975-07-11
DE2459054A1 (de) 1975-07-03
GB1495288A (en) 1977-12-14
JPS53145Y2 (en, 2012) 1978-01-06
FR2254847B1 (en, 2012) 1978-11-24
DE2459054C3 (de) 1981-04-09
DE2459054B2 (de) 1980-07-17

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