GB1437509A - Telephone with electrochromic information display - Google Patents

Telephone with electrochromic information display

Info

Publication number
GB1437509A
GB1437509A GB5669673A GB5669673A GB1437509A GB 1437509 A GB1437509 A GB 1437509A GB 5669673 A GB5669673 A GB 5669673A GB 5669673 A GB5669673 A GB 5669673A GB 1437509 A GB1437509 A GB 1437509A
Authority
GB
United Kingdom
Prior art keywords
telephone
layer
panel
display
electrochromic
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
GB5669673A
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Publication of GB1437509A publication Critical patent/GB1437509A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/57Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Telephone Set Structure (AREA)
GB5669673A 1972-12-07 1973-12-06 Telephone with electrochromic information display Expired GB1437509A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31302672A 1972-12-07 1972-12-07

Publications (1)

Publication Number Publication Date
GB1437509A true GB1437509A (en) 1976-05-26

Family

ID=23214059

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5669673A Expired GB1437509A (en) 1972-12-07 1973-12-06 Telephone with electrochromic information display

Country Status (13)

Country Link
JP (1) JPS4990005A (enrdf_load_stackoverflow)
BE (1) BE808315A (enrdf_load_stackoverflow)
BR (1) BR7309536D0 (enrdf_load_stackoverflow)
CA (1) CA999388A (enrdf_load_stackoverflow)
CH (1) CH594329A5 (enrdf_load_stackoverflow)
DD (1) DD113645A5 (enrdf_load_stackoverflow)
DE (1) DE2360171A1 (enrdf_load_stackoverflow)
ES (1) ES421280A1 (enrdf_load_stackoverflow)
FR (1) FR2210062B1 (enrdf_load_stackoverflow)
GB (1) GB1437509A (enrdf_load_stackoverflow)
IT (1) IT997616B (enrdf_load_stackoverflow)
NL (1) NL7316201A (enrdf_load_stackoverflow)
SE (1) SE397913B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991282A (en) * 1974-12-27 1976-11-09 Feil Thomas E Multi station telephone switching system
DE3713104A1 (de) * 1987-04-16 1988-02-04 Josef Pollmann Schaltungsanordnung zur verminderung anonymer anrufe im fernsprechverkehr
DE3920721A1 (de) * 1989-06-24 1991-01-03 Standard Elektrik Lorenz Ag Sprechanlage mit sprechstelle mit datenanzeige

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2032967B2 (de) * 1970-07-03 1971-05-06 Robert Bosch Elektronik Gmbh, 1000 Berlin Und 7000 Stuttgart Rufnummerngeber fuer sprechfunkgeraete
CA958476A (en) * 1971-01-12 1974-11-26 Donald J. Berets Electrochromic information displays

Also Published As

Publication number Publication date
FR2210062A1 (enrdf_load_stackoverflow) 1974-07-05
FR2210062B1 (enrdf_load_stackoverflow) 1977-09-30
DE2360171A1 (de) 1974-07-11
BE808315A (fr) 1974-06-06
CA999388A (en) 1976-11-02
SE397913B (sv) 1977-11-21
ES421280A1 (es) 1976-06-16
JPS4990005A (enrdf_load_stackoverflow) 1974-08-28
IT997616B (it) 1975-12-30
DD113645A5 (enrdf_load_stackoverflow) 1975-06-12
BR7309536D0 (pt) 1974-08-22
NL7316201A (enrdf_load_stackoverflow) 1974-06-11
CH594329A5 (enrdf_load_stackoverflow) 1978-01-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee