BE512067A - - Google Patents

Info

Publication number
BE512067A
BE512067A BE512067DA BE512067A BE 512067 A BE512067 A BE 512067A BE 512067D A BE512067D A BE 512067DA BE 512067 A BE512067 A BE 512067A
Authority
BE
Belgium
Application number
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.)
Publication of BE512067A publication Critical patent/BE512067A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Exchange Systems With Centralized Control (AREA)
BE512067D 1951-06-15 BE512067A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US231728A US2739184A (en) 1951-06-15 1951-06-15 Automatic telephone systems provided with toll recording facilities

Publications (1)

Publication Number Publication Date
BE512067A true BE512067A (zh)

Family

ID=22870429

Family Applications (1)

Application Number Title Priority Date Filing Date
BE512067D BE512067A (zh) 1951-06-15

Country Status (3)

Country Link
US (1) US2739184A (zh)
BE (1) BE512067A (zh)
GB (1) GB704441A (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2881260A (en) * 1952-03-12 1959-04-07 Gen Telephone Lab Inc Automatic telephone systems involving toll-recording facilities
US2851531A (en) * 1952-03-12 1958-09-09 Gen Telephone Lab Inc Automatic telephone systems involving toll recording facilities
US2881258A (en) * 1953-01-09 1959-04-07 Gen Telephone Lab Inc Automatic telephone systems provided with toll recording facilities
US2941042A (en) * 1956-06-11 1960-06-14 Bell Telephone Labor Inc Simultaneous direct-current and multifrequency signaling system
US3657485A (en) * 1970-04-27 1972-04-18 Int Standard Electric Corp Pabx register for acquiring hundreds information from a two digit in-dial
CN111615324B (zh) * 2020-05-09 2021-06-01 哈尔滨工业大学 一种基于禁忌搜索算法的led贴片机拾贴路径优化方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2300829A (en) * 1940-03-22 1942-11-03 Bell Telephone Labor Inc Calling line identification system
US2301015A (en) * 1940-03-22 1942-11-03 Bell Telephone Labor Inc Telephone system
US2447533A (en) * 1942-06-27 1948-08-24 Bell Telephone Labor Inc Automatic toll ticketing system
US2629016A (en) * 1942-06-27 1953-02-17 Bell Telephone Labor Inc Automatic toll-ticketing system
US2342279A (en) * 1942-12-31 1944-02-22 Bell Telephone Labor Inc Automatic toll ticketing system

Also Published As

Publication number Publication date
GB704441A (en) 1954-02-24
US2739184A (en) 1956-03-20

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