FR72805E - Systems for recording, retrieving and modifying information in telecommunications systems - Google Patents

Systems for recording, retrieving and modifying information in telecommunications systems

Info

Publication number
FR72805E
FR72805E FR748769A FR748769A FR72805E FR 72805 E FR72805 E FR 72805E FR 748769 A FR748769 A FR 748769A FR 748769 A FR748769 A FR 748769A FR 72805 E FR72805 E FR 72805E
Authority
FR
France
Prior art keywords
systems
retrieving
recording
modifying information
telecommunications
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
FR748769A
Other languages
French (fr)
Inventor
Karl Steinbuch
Reinhold Braun
Gerhard Merz
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 GB1448053A external-priority patent/GB763828A/en
Priority claimed from DEST11765A external-priority patent/DE1041098B/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to FR748769A priority Critical patent/FR72805E/en
Application granted granted Critical
Publication of FR72805E publication Critical patent/FR72805E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/80—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using non-linear magnetic devices; using non-linear dielectric devices
    • H03K17/82—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using non-linear magnetic devices; using non-linear dielectric devices the devices being transfluxors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/36—Statistical metering, e.g. recording occasions when traffic exceeds capacity of trunks
FR748769A 1953-05-22 1957-10-04 Systems for recording, retrieving and modifying information in telecommunications systems Expired FR72805E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR748769A FR72805E (en) 1953-05-22 1957-10-04 Systems for recording, retrieving and modifying information in telecommunications systems

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB1448053A GB763828A (en) 1953-05-22 1953-05-22 Improvements in or relating to subscriber billing in automatic telecommunication exchange systems and the like
DEST11765A DE1041098B (en) 1953-05-22 1956-10-05 Arrangement for monitoring the condition of lines in telecommunications, preferably telephone systems
US61602556A 1956-10-15 1956-10-15
US61608156A 1956-10-15 1956-10-15
FR748769A FR72805E (en) 1953-05-22 1957-10-04 Systems for recording, retrieving and modifying information in telecommunications systems

Publications (1)

Publication Number Publication Date
FR72805E true FR72805E (en) 1960-07-22

Family

ID=27512230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR748769A Expired FR72805E (en) 1953-05-22 1957-10-04 Systems for recording, retrieving and modifying information in telecommunications systems

Country Status (1)

Country Link
FR (1) FR72805E (en)

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