CA997410A - Stroboscopic discharge device with audio signal generator - Google Patents

Stroboscopic discharge device with audio signal generator

Info

Publication number
CA997410A
CA997410A CA172,665A CA172665A CA997410A CA 997410 A CA997410 A CA 997410A CA 172665 A CA172665 A CA 172665A CA 997410 A CA997410 A CA 997410A
Authority
CA
Canada
Prior art keywords
audio signal
signal generator
discharge device
stroboscopic discharge
stroboscopic
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
Application number
CA172,665A
Other languages
English (en)
Other versions
CA172665S (en
Inventor
Akira Takahashi
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Application granted granted Critical
Publication of CA997410A publication Critical patent/CA997410A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/34—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp to provide a sequence of flashes
CA172,665A 1972-05-30 1973-05-29 Stroboscopic discharge device with audio signal generator Expired CA997410A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47053573A JPS522619B2 (ja) 1972-05-30 1972-05-30

Publications (1)

Publication Number Publication Date
CA997410A true CA997410A (en) 1976-09-21

Family

ID=12946561

Family Applications (1)

Application Number Title Priority Date Filing Date
CA172,665A Expired CA997410A (en) 1972-05-30 1973-05-29 Stroboscopic discharge device with audio signal generator

Country Status (4)

Country Link
US (1) US3898514A (ja)
JP (1) JPS522619B2 (ja)
CA (1) CA997410A (ja)
DE (1) DE2327681C3 (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778672A (en) * 1972-07-27 1973-12-11 Ponder & Best Audible alert signal for an electronic flash unit
JPS51152278U (ja) * 1975-05-29 1976-12-04
US4013921A (en) * 1975-06-02 1977-03-22 Austin Electronics, Inc. Warning light control
JPS6237219Y2 (ja) * 1975-07-11 1987-09-22
US4074244A (en) * 1975-07-18 1978-02-14 Balderson Robert Bruce Audible-visual warning alarm system
DE2716824C2 (de) * 1976-04-16 1982-11-18 Fuji Photo Optical Co., Ltd., Omiya, Saitama Elektronisches Blitzlichtgerät
JPS52146140U (ja) * 1976-04-30 1977-11-05
JPS52155039U (ja) * 1976-05-19 1977-11-25
JPS54156630A (en) 1978-05-31 1979-12-10 Olympus Optical Co Ltd Camera having operation display means of automatic dimmer type strobe
US4241332A (en) * 1979-02-05 1980-12-23 Body Guard, Inc. Personal security alarm
JPS55134824A (en) * 1979-04-09 1980-10-21 West Electric Co Ltd Automatic dimming strobe device
US4306281A (en) * 1979-10-08 1981-12-15 Canon Kabushiki Kaisha DC-DC Converter for electronic flash unit
US4274084A (en) * 1979-10-26 1981-06-16 Wheelock Signals, Inc. Audio-visual signal circuits
JPS56121022A (en) * 1980-02-27 1981-09-22 Olympus Optical Co Ltd Automatic dimming strobe device
DE3034146A1 (de) * 1980-09-11 1982-04-29 Robert Bosch Gmbh, 7000 Stuttgart Elektronenblitzgeraet mit automatischer blitzlichtmengenbegrenzung
JPS60149034A (ja) * 1984-09-07 1985-08-06 Olympus Optical Co Ltd 自動調光式ストロボの動作表示装置
US5144301A (en) * 1991-02-19 1992-09-01 Jackson Timothy C School bus locator system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310723A (en) * 1963-10-18 1967-03-21 Honeywell Inc High voltage power supply for photographic flash apparatus
US3757697A (en) * 1972-02-02 1973-09-11 Bendix Corp Remotely controlled blasting machine

Also Published As

Publication number Publication date
US3898514A (en) 1975-08-05
JPS522619B2 (ja) 1977-01-22
DE2327681C3 (de) 1975-10-02
DE2327681A1 (de) 1973-12-13
DE2327681B2 (de) 1975-02-20
JPS4916420A (ja) 1974-02-13

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