FR1275106A - Appareil de poste téléphonique - Google Patents

Appareil de poste téléphonique

Info

Publication number
FR1275106A
FR1275106A FR842043A FR842043A FR1275106A FR 1275106 A FR1275106 A FR 1275106A FR 842043 A FR842043 A FR 842043A FR 842043 A FR842043 A FR 842043A FR 1275106 A FR1275106 A FR 1275106A
Authority
FR
France
Prior art keywords
telephone set
telephone
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
FR842043A
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
Application granted granted Critical
Publication of FR1275106A publication Critical patent/FR1275106A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
FR842043A 1959-12-16 1960-10-24 Appareil de poste téléphonique Expired FR1275106A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US859936A US3064084A (en) 1959-12-16 1959-12-16 Telephone substation apparatus

Publications (1)

Publication Number Publication Date
FR1275106A true FR1275106A (fr) 1961-11-03

Family

ID=25332106

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842043A Expired FR1275106A (fr) 1959-12-16 1960-10-24 Appareil de poste téléphonique

Country Status (8)

Country Link
US (2) US3064084A (fr)
JP (1) JPS3712210B1 (fr)
BE (1) BE597790A (fr)
DE (1) DE1141343B (fr)
ES (1) ES263736A1 (fr)
FR (1) FR1275106A (fr)
GB (1) GB964335A (fr)
NL (2) NL138794B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3288932A (en) * 1963-04-24 1966-11-29 Automatic Elect Lab Voice-data substation apparatus actuated by tone from central switching office
DE1185665B (de) * 1963-09-14 1965-01-21 Standard Elektrik Lorenz Ag Tastengesteuerter Mehrfrequenz-Tongenerator
US3284577A (en) * 1963-10-10 1966-11-08 Substation apparatus employing a multi- frequency signaling arrangement
DE1194912B (de) * 1963-12-30 1965-06-16 Siemens Ag Schwingungserzeuger fuer die Tastaturwahl in Fernsprechvermittlungsanlagen
US3447096A (en) * 1965-08-17 1969-05-27 Bell Telephone Labor Inc Multifrequency signal generator
DE1907921B1 (de) * 1969-02-17 1970-06-25 Siemens Ag Tastenanordnung fuer Teilnehmerstellen in Fernmelde-,insbesondere Fernsprechanlagen,mit einem kontaktlosen Schalter
US3745261A (en) * 1971-09-20 1973-07-10 Bell Telephone Labor Inc Telephone set speech network
CA947444A (en) * 1972-04-17 1974-05-14 Bell Canada Telephone substation apparatus
US3899638A (en) * 1973-10-29 1975-08-12 Interface Technology Inc Portable tone data transmitter
NL7402574A (nl) * 1974-02-26 1975-08-28 Philips Nv Schakeling voor een toondruktoetskeuzetelefoon- toestel.
US3970801A (en) * 1974-12-03 1976-07-20 Motorola, Inc. Dialing apparatus for a portable radio telephone
US4315108A (en) * 1975-09-29 1982-02-09 Mostek Corporation Integrated circuit chip telephone communication system
US4314107A (en) * 1979-12-26 1982-02-02 United Networks, Inc. Subscriber station networks
WO2007064960A2 (fr) * 2005-11-30 2007-06-07 University Of South Florida Identification de mode defaillance d'un varistor a oxyde metallique (mov)
JP5509688B2 (ja) 2008-06-19 2014-06-04 三菱瓦斯化学株式会社 触媒及びこれを用いたカルボン酸又はカルボン酸無水物の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE539848A (fr) * 1954-07-16
BE559221A (fr) * 1956-07-26
US2846512A (en) * 1956-12-31 1958-08-05 Bell Telephone Labor Inc Party line station identifying impulse transmitter

Also Published As

Publication number Publication date
ES263736A1 (es) 1961-03-16
GB964335A (en) 1964-07-22
DE1141343B (de) 1962-12-20
NL138794B (nl) 1973-05-15
US3064084A (en) 1962-11-13
USRE25507E (en) 1964-01-07
BE597790A (fr) 1961-03-31
NL257471A (fr) 1900-01-01
JPS3712210B1 (fr) 1962-08-28

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