GB849312A - Supervisory circuit - Google Patents

Supervisory circuit

Info

Publication number
GB849312A
GB849312A GB31828/57A GB3182857A GB849312A GB 849312 A GB849312 A GB 849312A GB 31828/57 A GB31828/57 A GB 31828/57A GB 3182857 A GB3182857 A GB 3182857A GB 849312 A GB849312 A GB 849312A
Authority
GB
United Kingdom
Prior art keywords
circuit
capacitor
relay
polarity
transistor
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
GB31828/57A
Other languages
English (en)
Inventor
Antonie Snijders
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.)
Nederlanden Staat
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Publication of GB849312A publication Critical patent/GB849312A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Relay Circuits (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB31828/57A 1956-10-16 1957-10-11 Supervisory circuit Expired GB849312A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL849312X 1956-10-16

Publications (1)

Publication Number Publication Date
GB849312A true GB849312A (en) 1960-09-21

Family

ID=19845293

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31828/57A Expired GB849312A (en) 1956-10-16 1957-10-11 Supervisory circuit

Country Status (4)

Country Link
DE (1) DE1076173B (enrdf_load_stackoverflow)
FR (1) FR1184327A (enrdf_load_stackoverflow)
GB (1) GB849312A (enrdf_load_stackoverflow)
NL (2) NL211433A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1405994A (fr) * 1964-06-03 1965-07-16 Cit Alcatel Dispositif magnétoélectronique à retard

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR959078A (enrdf_load_stackoverflow) * 1944-04-24 1950-03-23
NL63019C (enrdf_load_stackoverflow) * 1946-09-14

Also Published As

Publication number Publication date
NL98958C (enrdf_load_stackoverflow)
DE1076173B (de) 1960-02-25
FR1184327A (fr) 1959-07-20
NL211433A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US2827574A (en) Multivibrators
US3064165A (en) Relay speed-up circuit
US4086503A (en) Control circuit initiating conduction of an opto-isolator unit
US3315246A (en) Signal absence detection circuit
GB1465358A (en) Power source checking device
GB1039045A (en) Voltage frequency converter
GB849312A (en) Supervisory circuit
US4023152A (en) Ionization type smoke sensing device
GB982453A (en) Improvements in transistor circuits
US4084070A (en) Overcurrent protection circuit
GB919015A (en) Transistor emitter follower
GB925328A (en) Improvements in or relating to trigger circuit arrangements
US3315090A (en) Switching circuits utilizing opposite conductivity transistors
GB684471A (en) Improvements in telegraph and like systems
GB888196A (en) Improvements in or relating to switching stages for selecting arrangements and to selecting arrangements incorporating such switching stages
GB935294A (en) Improvements in or relating to pulse regenerators
GB923422A (en) Electrical circuit
GB910920A (en) Improvements in or relating to fire-detection circuits
US3740667A (en) Variable relaxation oscillator having time constant circuit dependent on power supply variations
GB1035478A (en) Improvements relating to direct voltage transistor trigger circuits
US3328630A (en) Automatic restarting and resetting circuit for beam switch tubes
GB749300A (en) Improvements in or relating to wave operated selective electric control system
GB886116A (en) Improvements in and relating to electrical protective relay systems
GB895565A (en) Improvements in or relating to electrical monitoring circuits
GB1355389A (en) Line fault detection means for use in a telegraph system