DE2633383A1 - Schwingkreis - Google Patents

Schwingkreis

Info

Publication number
DE2633383A1
DE2633383A1 DE19762633383 DE2633383A DE2633383A1 DE 2633383 A1 DE2633383 A1 DE 2633383A1 DE 19762633383 DE19762633383 DE 19762633383 DE 2633383 A DE2633383 A DE 2633383A DE 2633383 A1 DE2633383 A1 DE 2633383A1
Authority
DE
Germany
Prior art keywords
field effect
transistor
charging
effect transistors
output end
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.)
Withdrawn
Application number
DE19762633383
Other languages
German (de)
English (en)
Inventor
Katsuaki Goto
Katsutoshi Kuwabara
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.)
Hochiki Corp
Original Assignee
Hochiki Corp
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
Priority claimed from JP50090055A external-priority patent/JPS5214337A/ja
Priority claimed from JP50090056A external-priority patent/JPS5214338A/ja
Application filed by Hochiki Corp filed Critical Hochiki Corp
Publication of DE2633383A1 publication Critical patent/DE2633383A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • 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
    • H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
    • H03K3/354—Astable circuits

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
DE19762633383 1975-07-25 1976-07-24 Schwingkreis Withdrawn DE2633383A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP50090055A JPS5214337A (en) 1975-07-25 1975-07-25 Oscillator circuit
JP50090056A JPS5214338A (en) 1975-07-25 1975-07-25 Oscillator circuit

Publications (1)

Publication Number Publication Date
DE2633383A1 true DE2633383A1 (de) 1977-02-17

Family

ID=26431571

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762633383 Withdrawn DE2633383A1 (de) 1975-07-25 1976-07-24 Schwingkreis

Country Status (5)

Country Link
US (1) US4058777A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH613794A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2633383A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2319246A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1552321A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI790354A7 (fi) * 1978-02-03 1979-08-04 Hochiki Co Brandalarmsystem
US4295062A (en) * 1979-04-02 1981-10-13 National Semiconductor Corporation CMOS Schmitt trigger and oscillator
US4286233A (en) * 1979-07-09 1981-08-25 Rca Corporation Gated oscillator
JPS6153759A (ja) * 1984-08-23 1986-03-17 Fujitsu Ltd 発振回路
JPS6346599A (ja) * 1986-08-14 1988-02-27 ニツタン株式会社 環境異常検出器
US4837458A (en) * 1986-08-22 1989-06-06 Hitachi, Ltd. Flip-flop circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3851277A (en) * 1972-12-27 1974-11-26 Tokyo Shibaura Electric Co Astable multivibrator using insulated-gate field effect transistors
US3875527A (en) * 1973-07-11 1975-04-01 Hernando Javier Garcia Environmental parameter controlled oscillator system

Also Published As

Publication number Publication date
GB1552321A (en) 1979-09-12
US4058777A (en) 1977-11-15
CH613794A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-10-15
FR2319246A1 (fr) 1977-02-18

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee