CH238537A - Test device for electrical installations comprising a number of similar equipment. - Google Patents

Test device for electrical installations comprising a number of similar equipment.

Info

Publication number
CH238537A
CH238537A CH238537DA CH238537A CH 238537 A CH238537 A CH 238537A CH 238537D A CH238537D A CH 238537DA CH 238537 A CH238537 A CH 238537A
Authority
CH
Switzerland
Prior art keywords
test device
similar equipment
electrical installations
installations
electrical
Prior art date
Application number
Other languages
French (fr)
Inventor
Bell Telephone Manufac Anonyme
Original Assignee
Bell Telephone Mfg
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 Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of CH238537A publication Critical patent/CH238537A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/32—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
    • H04M3/323—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges for the arrangements providing the connection (test connection, test call, call simulation)
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error
CH238537D 1939-04-04 1940-04-16 Test device for electrical installations comprising a number of similar equipment. CH238537A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB238537X 1939-04-04

Publications (1)

Publication Number Publication Date
CH238537A true CH238537A (en) 1945-07-31

Family

ID=10202379

Family Applications (1)

Application Number Title Priority Date Filing Date
CH238537D CH238537A (en) 1939-04-04 1940-04-16 Test device for electrical installations comprising a number of similar equipment.

Country Status (6)

Country Link
US (1) US2340809A (en)
BE (1) BE438565A (en)
CH (1) CH238537A (en)
FR (1) FR864625A (en)
GB (1) GB527836A (en)
NL (1) NL57990C (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB539745A (en) * 1940-02-16 1941-09-23 William Hatton Improvements in or relating to electric calculator equipment
US2543199A (en) * 1943-12-20 1951-02-27 Teletype Corp Message numbering apparatus
US2535218A (en) * 1945-01-11 1950-12-26 Automatic Elect Lab Automatic charge accounting system
US2627941A (en) * 1945-02-24 1953-02-10 Punch Engineering Pty Ltd Stock distributing system
US2657858A (en) * 1945-02-24 1953-11-03 Punch Engineering Pty Ltd Article dispensing system
US2588923A (en) * 1946-01-16 1952-03-11 Int Standard Electric Corp Calculator
US2594960A (en) * 1946-12-31 1952-04-29 Teleregister Corp Electrical storage and signaling system
US2636672A (en) * 1949-01-19 1953-04-28 Ibm Selective sequence electronic calculator
BE502094A (en) * 1950-03-22
US2824694A (en) * 1950-09-06 1958-02-25 Boni Alessandro Analytic calculating machine
US3054560A (en) * 1958-02-04 1962-09-18 Westinghouse Air Brake Co Computer test and change-over circuit
US3078443A (en) * 1959-01-22 1963-02-19 Alan C Rose Compound error correction system
US3023958A (en) * 1959-08-14 1962-03-06 Honeywell Regulator Co Information handling apparatus
US3228001A (en) * 1960-02-04 1966-01-04 Sperry Gyroscope Company Of Ca Redundant input reliability check for programmed multi-channel position control
US4807228A (en) * 1987-03-18 1989-02-21 American Telephone And Telegraph Company, At&T Bell Laboratories Method of spare capacity use for fault detection in a multiprocessor system

Also Published As

Publication number Publication date
FR864625A (en) 1941-05-01
US2340809A (en) 1944-02-01
NL57990C (en)
GB527836A (en) 1940-10-17
BE438565A (en)

Similar Documents

Publication Publication Date Title
CH238537A (en) Test device for electrical installations comprising a number of similar equipment.
CH263439A (en) Device for actuating electrical contacts.
FR859835A (en) Device for medicinal applications
FR861229A (en) Deformable connecting device for electrical connections
FR855068A (en) Removable connecting device for electrical conductors
FR853595A (en) Device for connecting a multi-core cable
FR858671A (en) Coupling device
FR857961A (en) Clutch device
FR954206A (en) Pneumatic drive device for devices of all kinds
FR849755A (en) Cable reel for slope climbers
FR850746A (en) Coupling device for machine guns and similar devices
FR861810A (en) Quick coupling device for pipes
FR844440A (en) Fuel gauge device
FR885658A (en) Balancing device for pumps
FR849722A (en) Hitching device for slope climbers
FR838940A (en) Central lubrication device
FR850614A (en) Coupling device for harvester-binder
FR851664A (en) Degassing device
FR849352A (en) Receiving device for electrical signals
FR836378A (en) Indication device for dial devices
FR863890A (en) Aerophores device for tracking aircraft
FR864335A (en) Coupling device for cables, rods, etc.
FR864334A (en) Coupling device for cables, rods, etc.
FR853746A (en) Lubrication regulator device
FR840921A (en) Device for connecting electrical circuits