CA969645A - Electronic timer - Google Patents

Electronic timer

Info

Publication number
CA969645A
CA969645A CA151,225A CA151225A CA969645A CA 969645 A CA969645 A CA 969645A CA 151225 A CA151225 A CA 151225A CA 969645 A CA969645 A CA 969645A
Authority
CA
Canada
Prior art keywords
electronic timer
timer
electronic
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
CA151,225A
Other versions
CA151225S (en
Inventor
Meerten Luursema
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA969645A publication Critical patent/CA969645A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28—Modifications for introducing a time delay before switching
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Measurement Of Predetermined Time Intervals (AREA)
  • Relay Circuits (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Electric Ovens (AREA)
CA151,225A 1971-09-11 1972-09-08 Electronic timer Expired CA969645A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7112528A NL7112528A (en) 1971-09-11 1971-09-11

Publications (1)

Publication Number Publication Date
CA969645A true CA969645A (en) 1975-06-17

Family

ID=19814008

Family Applications (1)

Application Number Title Priority Date Filing Date
CA151,225A Expired CA969645A (en) 1971-09-11 1972-09-08 Electronic timer

Country Status (8)

Country Link
US (1) US3798464A (en)
JP (1) JPS4837669A (en)
BE (1) BE788668A (en)
CA (1) CA969645A (en)
DE (1) DE2243630A1 (en)
FR (1) FR2152841B1 (en)
GB (1) GB1347187A (en)
NL (1) NL7112528A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4491828A (en) * 1978-10-16 1985-01-01 American District Telegraph Company Two-wire multi-zone alarm system
JP3247643B2 (en) 1997-09-10 2002-01-21 インターナショナル・ビジネス・マシーンズ・コーポレーション Liquid crystal display device
IL225409A (en) * 2013-03-21 2017-01-31 Yinon Basson On-off switch

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434157A (en) * 1948-01-06 heppeard
US2818532A (en) * 1955-11-01 1957-12-31 Rca Corp Single action timing circuit

Also Published As

Publication number Publication date
NL7112528A (en) 1973-03-13
DE2243630A1 (en) 1973-03-15
JPS4837669A (en) 1973-06-02
FR2152841B1 (en) 1976-05-21
FR2152841A1 (en) 1973-04-27
BE788668A (en) 1973-03-12
GB1347187A (en) 1974-02-27
US3798464A (en) 1974-03-19

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