GB571483A - Improved system for registering a train of positive and negative half cycles of an alternating current - Google Patents

Improved system for registering a train of positive and negative half cycles of an alternating current

Info

Publication number
GB571483A
GB571483A GB14875/43A GB1487543A GB571483A GB 571483 A GB571483 A GB 571483A GB 14875/43 A GB14875/43 A GB 14875/43A GB 1487543 A GB1487543 A GB 1487543A GB 571483 A GB571483 A GB 571483A
Authority
GB
United Kingdom
Prior art keywords
cycle
tube
tubes
current
cycles
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
GB14875/43A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB571483A publication Critical patent/GB571483A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/82—Pulse counters comprising counting chains; Frequency dividers comprising counting chains using gas-filled tubes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/24—Half-wave signalling systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB14875/43A 1942-08-06 1943-09-10 Improved system for registering a train of positive and negative half cycles of an alternating current Expired GB571483A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US453842A US2379093A (en) 1942-08-06 1942-08-06 Signaling system

Publications (1)

Publication Number Publication Date
GB571483A true GB571483A (en) 1945-08-27

Family

ID=23802287

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14875/43A Expired GB571483A (en) 1942-08-06 1943-09-10 Improved system for registering a train of positive and negative half cycles of an alternating current

Country Status (4)

Country Link
US (1) US2379093A (enrdf_load_stackoverflow)
BE (1) BE470164A (enrdf_load_stackoverflow)
GB (1) GB571483A (enrdf_load_stackoverflow)
NL (1) NL79492C (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2549769A (en) * 1943-08-31 1951-04-24 Int Standard Electric Corp Arrangement for counting electrical impulses
US2556614A (en) * 1943-10-15 1951-06-12 Ncr Co Electronic impulse-counting and data-storing circuits
BE468349A (enrdf_load_stackoverflow) * 1944-08-17
US2630550A (en) * 1948-03-20 1953-03-03 Geohegan William Anthony Gas tube ionizer and process
US2558178A (en) * 1948-11-13 1951-06-26 Northrop Aircraft Inc Glow tube counter
US2863139A (en) * 1952-04-25 1958-12-02 Michelson Louis High speed electronic scanner
US2730655A (en) * 1953-03-12 1956-01-10 Ibm Gas tube counter
US2874330A (en) * 1954-05-21 1959-02-17 Westinghouse Air Brake Co Electronic counter control
US2933620A (en) * 1954-05-27 1960-04-19 Sylvania Electric Prod Two-input ring counters
US2820153A (en) * 1954-10-25 1958-01-14 Rca Corp Electronic counter systems
US2851636A (en) * 1954-10-28 1958-09-09 Gen Electric Co Ltd Electrical counting or distributing circuits
US2926246A (en) * 1956-06-18 1960-02-23 Gen Electric Synchronous precision sequence timer
US3082404A (en) * 1957-01-31 1963-03-19 Rca Corp Decoder circuits
US3141091A (en) * 1961-08-23 1964-07-14 Creveling Robert Counting circuits
US20090041553A1 (en) * 2007-08-06 2009-02-12 3M Innovative Properties Company Fly-cutting system and method, and related tooling and articles
US9180524B2 (en) 2007-08-06 2015-11-10 3M Innovative Properties Company Fly-cutting head, system and method, and tooling and sheeting produced therewith

Also Published As

Publication number Publication date
NL79492C (enrdf_load_stackoverflow)
BE470164A (enrdf_load_stackoverflow)
US2379093A (en) 1945-06-26

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