US3789394A - Device for the emission of current-pulse trains particularly by telephone and teleprinter installations - Google Patents

Device for the emission of current-pulse trains particularly by telephone and teleprinter installations Download PDF

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Publication number
US3789394A
US3789394A US00281959A US3789394DA US3789394A US 3789394 A US3789394 A US 3789394A US 00281959 A US00281959 A US 00281959A US 3789394D A US3789394D A US 3789394DA US 3789394 A US3789394 A US 3789394A
Authority
US
United States
Prior art keywords
emitting device
casing
pulse emitting
cassette
slider
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 - Lifetime
Application number
US00281959A
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English (en)
Inventor
A Schaumann
W Weber
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.)
Individual
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Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US3789394A publication Critical patent/US3789394A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc

Definitions

  • ABSTRACT A device, especially adapted for incorporation in tele- [30] Foreign Application Priority Data phones and teleprinters in which a preset cassette is 27, 1971 F Y 1.11;- 14ZZQ inserted into a reader and is operable to control pulse developing circuit means so as to emit a series of 52 us. Cl. 340/365 R, 179/90 B, 340/348, pulses programmed in conformity with the preset 340/359 dition of the respective cassette. [51] Int. Cl. G06f 3/02 9PO'70P47P2Z47028U5 T a a PATENTEOJWQW 3.789.394

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Telephone Set Structure (AREA)
  • Switches With Compound Operations (AREA)
  • Keying Circuit Devices (AREA)
US00281959A 1971-08-27 1972-08-18 Device for the emission of current-pulse trains particularly by telephone and teleprinter installations Expired - Lifetime US3789394A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2142870A DE2142870C3 (de) 1971-08-27 1971-08-27 Vorrichtung zur selbsttätigen Aussendung von Wählimpulsen bei Fernsprech- oder Fernschreibanlagen

Publications (1)

Publication Number Publication Date
US3789394A true US3789394A (en) 1974-01-29

Family

ID=5817896

Family Applications (1)

Application Number Title Priority Date Filing Date
US00281959A Expired - Lifetime US3789394A (en) 1971-08-27 1972-08-18 Device for the emission of current-pulse trains particularly by telephone and teleprinter installations

Country Status (11)

Country Link
US (1) US3789394A (it)
JP (1) JPS4832408A (it)
AT (1) AT325681B (it)
AU (1) AU4599372A (it)
BE (1) BE788023A (it)
CH (1) CH548713A (it)
DE (1) DE2142870C3 (it)
FR (1) FR2170364A5 (it)
IT (1) IT969555B (it)
LU (1) LU65846A1 (it)
NL (1) NL7211106A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2926966B2 (ja) * 1989-11-28 1999-07-28 旭硝子株式会社 高ジルコニア質熱溶融鋳造耐火物

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3511938A (en) * 1966-02-12 1970-05-12 August Gaisser Impulse transmitter for telephone and telewriter installations
US3555201A (en) * 1968-03-27 1971-01-12 Dasa Corp Electronic repertory dialer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3511938A (en) * 1966-02-12 1970-05-12 August Gaisser Impulse transmitter for telephone and telewriter installations
US3555201A (en) * 1968-03-27 1971-01-12 Dasa Corp Electronic repertory dialer

Also Published As

Publication number Publication date
BE788023A (fr) 1972-12-18
NL7211106A (nl) 1973-03-01
DE2142870C3 (de) 1974-08-08
FR2170364A5 (fr) 1973-09-14
IT969555B (it) 1974-04-10
AU4599372A (en) 1974-02-28
LU65846A1 (de) 1973-01-15
CH548713A (de) 1974-04-30
ATA677072A (de) 1975-01-15
JPS4832408A (it) 1973-04-28
AT325681B (de) 1975-11-10
DE2142870A1 (de) 1973-03-08
DE2142870B2 (de) 1974-01-17

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