GB1237898A - - Google Patents

Info

Publication number
GB1237898A
GB1237898A GB1237898DA GB1237898A GB 1237898 A GB1237898 A GB 1237898A GB 1237898D A GB1237898D A GB 1237898DA GB 1237898 A GB1237898 A GB 1237898A
Authority
GB
United Kingdom
Prior art keywords
conductive
transistor
switches
circuit
period
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
Other languages
English (en)
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 filed Critical
Publication of GB1237898A publication Critical patent/GB1237898A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to two or more of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to two or more of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/84—Pulse counters comprising counting chains; Frequency dividers comprising counting chains using thyristors or unijunction transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/35—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar semiconductor devices with more than two PN junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region
    • H03K3/351—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar semiconductor devices with more than two PN junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region the devices being unijunction transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/84—Generating pulses having a predetermined statistical distribution of a parameter, e.g. random pulse generators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
GB1237898D 1967-09-29 1968-09-30 Expired GB1237898A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67186367A 1967-09-29 1967-09-29

Publications (1)

Publication Number Publication Date
GB1237898A true GB1237898A (enExample) 1971-06-30

Family

ID=24696171

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1237898D Expired GB1237898A (enExample) 1967-09-29 1968-09-30

Country Status (2)

Country Link
US (1) US3475619A (enExample)
GB (1) GB1237898A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2214675A (en) * 1988-03-28 1989-09-06 C & N Electrical Ind Ltd Programmable beacon

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4163219A (en) * 1977-02-08 1979-07-31 Hitachi, Ltd. Remote control device for electronic apparatus
US4163220A (en) * 1977-04-15 1979-07-31 Firetrol, Inc. Distress signalling device
US4449055A (en) * 1977-08-19 1984-05-15 Greer Richard H Circuit breaker control device
US4185205A (en) * 1978-05-09 1980-01-22 American Science & Engineering, Inc. Remote load controller
US4456832A (en) * 1979-01-08 1984-06-26 Southern California Edison Company Circuit breaker control device
DE102008024380A1 (de) * 2008-05-20 2009-11-26 Repower Systems Ag Signaleinrichtung für Offshore-Windpark

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3284721A (en) * 1964-05-08 1966-11-08 Barber Colman Co Oscillator controller with on-off time proportioning
US3311842A (en) * 1965-01-19 1967-03-28 Ibm Digital transducer with condition responsive shock excited resonant circuit
US3414739A (en) * 1966-01-13 1968-12-03 Minnesota Mining & Mfg Digital pulse selection device for monitoring a variable condition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2214675A (en) * 1988-03-28 1989-09-06 C & N Electrical Ind Ltd Programmable beacon
GB2214675B (en) * 1988-03-28 1991-09-04 C & N Electrical Ind Ltd Programmable beacon

Also Published As

Publication number Publication date
US3475619A (en) 1969-10-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee