FR71354E - Improvements to telephone call dials - Google Patents

Improvements to telephone call dials

Info

Publication number
FR71354E
FR71354E FR71354DA FR71354E FR 71354 E FR71354 E FR 71354E FR 71354D A FR71354D A FR 71354DA FR 71354 E FR71354 E FR 71354E
Authority
FR
France
Prior art keywords
telephone call
call dials
dials
telephone
call
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
Other languages
French (fr)
Inventor
Anton Lauterer
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
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR71354E publication Critical patent/FR71354E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/02—Sensitometric processes, e.g. determining sensitivity, colour sensitivity, gradation, graininess, density; Making sensitometric wedges
    • 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
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • 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
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H04M1/32—Locking setting devices during transmission to prevent interference by user
    • 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
    • H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H04M17/026—Constructional features
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1558—Grip units and features
    • Y10T74/1565—Gripper releasing devices
    • Y10T74/1566—Power pawl lifter
    • Y10T74/1568—Automatic
    • Y10T74/1569—Idle stroke
    • Y10T74/1571—Cooperating holding pawl
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1558—Grip units and features
    • Y10T74/1565—Gripper releasing devices
    • Y10T74/1566—Power pawl lifter
    • Y10T74/1574—Cooperating holding pawl
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2133—Pawls and ratchets
    • Y10T74/2135—Noiseless
FR71354D 1951-12-26 1956-09-28 Improvements to telephone call dials Expired FR71354E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US263399A US2781666A (en) 1951-12-26 1951-12-26 Dial type of impulse sender

Publications (1)

Publication Number Publication Date
FR71354E true FR71354E (en) 1959-12-22

Family

ID=23001624

Family Applications (3)

Application Number Title Priority Date Filing Date
FR1068557D Expired FR1068557A (en) 1951-12-26 1952-12-24 Improvements to telephone call dials
FR70823D Expired FR70823E (en) 1951-12-26 1956-09-27 Improvements to telephone call dials
FR71354D Expired FR71354E (en) 1951-12-26 1956-09-28 Improvements to telephone call dials

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR1068557D Expired FR1068557A (en) 1951-12-26 1952-12-24 Improvements to telephone call dials
FR70823D Expired FR70823E (en) 1951-12-26 1956-09-27 Improvements to telephone call dials

Country Status (2)

Country Link
US (1) US2781666A (en)
FR (3) FR1068557A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183260A (en) * 1976-07-14 1980-01-15 Paul-Heinz Wagner Maschinenfabrikation Tool for rotating nuts, bolts and like fasteners

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US389052A (en) * 1888-09-04 Hoisting-gear
US353886A (en) * 1886-12-07 Alpheus e
US817358A (en) * 1905-06-24 1906-04-10 Henry Zwilling Wagon-brake.
US1217176A (en) * 1916-03-09 1917-02-27 Wm L Gilbert Clock Company Winding-stop.
BE422956A (en) * 1936-09-05
US2428569A (en) * 1943-05-07 1947-10-07 Express Lift Co Ltd Step-by-step actuator for electromagnetic switches
US2389695A (en) * 1944-05-19 1945-11-27 Control Instr Co Inc Impulse sender
US2655052A (en) * 1950-07-29 1953-10-13 Telephonics Corp Impulse switch silencer

Also Published As

Publication number Publication date
FR1068557A (en) 1954-06-28
FR70823E (en) 1959-09-01
US2781666A (en) 1957-02-19

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