ZA8078B - Dial units for telephone sets - Google Patents

Dial units for telephone sets

Info

Publication number
ZA8078B
ZA8078B ZA00800078A ZA8078A ZA8078B ZA 8078 B ZA8078 B ZA 8078B ZA 00800078 A ZA00800078 A ZA 00800078A ZA 8078 A ZA8078 A ZA 8078A ZA 8078 B ZA8078 B ZA 8078B
Authority
ZA
South Africa
Prior art keywords
telephone sets
dial units
dial
units
telephone
Prior art date
Application number
ZA00800078A
Other languages
English (en)
Inventor
P Lelvers
L Colebourne
Original Assignee
Plessey Overseas
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 Plessey Overseas filed Critical Plessey Overseas
Publication of ZA8078B publication Critical patent/ZA8078B/xx

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
    • H04M1/31—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
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Gear Transmission (AREA)
  • Gears, Cams (AREA)
ZA00800078A 1979-01-08 1980-01-07 Dial units for telephone sets ZA8078B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7900555A GB2048015A (en) 1979-01-08 1979-01-08 Dial units for telephone sets

Publications (1)

Publication Number Publication Date
ZA8078B true ZA8078B (en) 1981-10-28

Family

ID=10502372

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00800078A ZA8078B (en) 1979-01-08 1980-01-07 Dial units for telephone sets

Country Status (8)

Country Link
EP (1) EP0013430A1 (xx)
JP (1) JPS55115763A (xx)
AU (1) AU5424779A (xx)
BR (1) BR8000060A (xx)
ES (1) ES8102440A1 (xx)
GB (1) GB2048015A (xx)
PT (1) PT70664A (xx)
ZA (1) ZA8078B (xx)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE276887C (xx) * 1920-12-01
US2868887A (en) * 1954-10-11 1959-01-13 North Electric Co Dial governor mounting arrangement
DE1151562B (de) * 1962-05-11 1963-07-18 Siemens Ag Impulssender mit Spatiumkontakt fuer Fernmeldeanlagen, insbesondere Nummernschalter fuer Fernsprechanlagen
GB1147601A (en) * 1965-03-30 1969-04-02 Emi Ltd Improvements in or relating to impulsing mechanisms
GB1201274A (en) * 1966-10-20 1970-08-05 Int Standard Electric Corp Telephone dial switch mechanism
NL6903856A (xx) * 1968-03-14 1969-09-16
GB1260766A (en) * 1969-11-21 1972-01-19 Nestle Sa Beverage composition
IT972697B (it) * 1972-12-21 1974-05-31 Face Standard Spa Complesso di disco combinatore per apparecchi telefonici d uten te realizzato in materiale termo plastico

Also Published As

Publication number Publication date
EP0013430A1 (en) 1980-07-23
BR8000060A (pt) 1980-09-23
GB2048015A (en) 1980-12-03
AU5424779A (en) 1980-07-17
JPS55115763A (en) 1980-09-05
ES487526A0 (es) 1980-12-16
PT70664A (en) 1980-02-01
ES8102440A1 (es) 1980-12-16

Similar Documents

Publication Publication Date Title
GB2064269B (en) Telephone line circuit
GB2064244B (en) Telephone line circuit
JPS5593391A (en) Telephone system
JPS55135458A (en) Pushhbutton dial device for telephone
GB2002201B (en) Telephone set
GB2064902B (en) Telephone line circuit
GB2059222B (en) Loudspeaking telephone instrument
GB2050116B (en) Telephone line circuit
DE3068846D1 (en) Digital telephone exchange
JPS5673933A (en) Telephone subscriber unit
JPS53128205A (en) Telephone set
JPS55150694A (en) Telephone set
JPS5675736A (en) Telephone subscriber unit
ZA802576B (en) Telephone exchanges
JPS5694864A (en) Pushhbutton unit for telephone unit
DE3062355D1 (en) Telephone set
CA46518S (en) Telephone handset
GB2055019B (en) Telephone apparatus
GB2055021B (en) Telephone line circuit
JPS5427302A (en) Telephone set
ZA8078B (en) Dial units for telephone sets
JPS561716A (en) Telephone line plate
GB2043398B (en) Telephone circuitry
JPS55102962A (en) Telephone dial system
GB2000939B (en) Telephone set