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)
  • Telephone Set Structure (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (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 (https=)
BE (1) BE808315A (https=)
BR (1) BR7309536D0 (https=)
CA (1) CA999388A (https=)
CH (1) CH594329A5 (https=)
DD (1) DD113645A5 (https=)
DE (1) DE2360171A1 (https=)
ES (1) ES421280A1 (https=)
FR (1) FR2210062B1 (https=)
GB (1) GB1437509A (https=)
IT (1) IT997616B (https=)
NL (1) NL7316201A (https=)
SE (1) SE397913B (https=)

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
GB1377620A (en) * 1971-01-12 1974-12-18 American Cyanamid Co Electronic timepiece

Also Published As

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

Similar Documents

Publication Publication Date Title
DE69127057T2 (de) Funkkommunikationsvorrichtung, die imstande ist, einen Fehlanzeigebetrieb zu verhindern
GB1437509A (en) Telephone with electrochromic information display
ATE115299T1 (de) Elektrochromes fenster mit polyepoxy- polymerelektrolyt.
US4086441A (en) Message-waiting and do-not-disturb communications system
JPS57133439A (en) Electrochromism display cell
EP0084889B1 (en) Digital radio paging receiver
US3849607A (en) Polarity reversal switching circuit
US3014097A (en) Dial controlled intercommunication systems
ES455056A1 (es) Perfeccionamientos introducidos en un tubo de presentacion visual en colores.
US3416248A (en) Electro-chemical optical display
US3697802A (en) Two-terminal, two-color indicator lamp assembly
US3807036A (en) Direct current electroluminescent panel using amorphus semiconductors for digitally addressing alpha-numeric displays
US4103115A (en) Memory tone dialer
US2568177A (en) Signaling system
US3855500A (en) Gaseous glow-discharge indicator system
US3062921A (en) Preset call transmitter
CA1076236A (en) Display device
JPS5384786A (en) Level display device
JPS57212856A (en) Terminal adaptor system
JPS53126202A (en) Composite data exchange system
GB1377620A (en) Electronic timepiece
JPH0797875B2 (ja) メッセージ送出ページング受信機
GB1424921A (en) Cold cathode discharge display apparatus
FR2204900A1 (en) Electrochemical cell - contg lithium anode and an ether-base electrolyte
FR2169748A1 (en) Electrochemical cell - contg lithium anode and an ether-base electrolyte

Legal Events

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