JPS5520569A - Portable electronic device - Google Patents

Portable electronic device

Info

Publication number
JPS5520569A
JPS5520569A JP9374578A JP9374578A JPS5520569A JP S5520569 A JPS5520569 A JP S5520569A JP 9374578 A JP9374578 A JP 9374578A JP 9374578 A JP9374578 A JP 9374578A JP S5520569 A JPS5520569 A JP S5520569A
Authority
JP
Japan
Prior art keywords
letters
alphabet
time division
key
addresses
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.)
Pending
Application number
JP9374578A
Other languages
Japanese (ja)
Inventor
Yuki Tsuruishi
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP9374578A priority Critical patent/JPS5520569A/en
Publication of JPS5520569A publication Critical patent/JPS5520569A/en
Pending legal-status Critical Current

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE: To realize display with a small number of input keys for the alphabet and the kana (Japanse syllabary) letters by grouping the characters and registering them in time division for the wristwatch or the like.
CONSTITUTION: The alphabet is grouped with every two letters to input key 4, and the addresses are generated 6 for the characters of two letters in accordance with the output given from key 4. The pulse of the fixed duration is delivered from divider circuit 8 via the output gate 7 and by the operation signal of key 5. As a result, gates 9 and 11 are controlled, and the addresses of two letters are supplied to OR gate 12 in time division. At the same time, the character signals of the two letters are produced in time division from circuit 13 to drive 14 liquid crystal display substance 15. Thus the alphabet can be registered with a small number of keys.
COPYRIGHT: (C)1980,JPO&Japio
JP9374578A 1978-08-01 1978-08-01 Portable electronic device Pending JPS5520569A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9374578A JPS5520569A (en) 1978-08-01 1978-08-01 Portable electronic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9374578A JPS5520569A (en) 1978-08-01 1978-08-01 Portable electronic device

Publications (1)

Publication Number Publication Date
JPS5520569A true JPS5520569A (en) 1980-02-14

Family

ID=14090948

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9374578A Pending JPS5520569A (en) 1978-08-01 1978-08-01 Portable electronic device

Country Status (1)

Country Link
JP (1) JPS5520569A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5730021A (en) * 1980-07-31 1982-02-18 Canon Inc Kana (japanese syllabary) input device
JPS57196656A (en) * 1981-05-28 1982-12-02 Toshiba Corp Telephone set for character input
JPS5852722A (en) * 1981-09-25 1983-03-29 Sharp Corp Character input system
JPS6080354A (en) * 1983-10-08 1985-05-08 Hashimoto Corp Information reception system using pushphone
JP2000115323A (en) * 1998-09-30 2000-04-21 Sanyo Electric Co Ltd Portable telephone set

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5730021A (en) * 1980-07-31 1982-02-18 Canon Inc Kana (japanese syllabary) input device
JPS6338723B2 (en) * 1980-07-31 1988-08-02 Canon Kk
JPS57196656A (en) * 1981-05-28 1982-12-02 Toshiba Corp Telephone set for character input
JPS5852722A (en) * 1981-09-25 1983-03-29 Sharp Corp Character input system
JPS6238751B2 (en) * 1981-09-25 1987-08-19 Sharp Kk
JPS6080354A (en) * 1983-10-08 1985-05-08 Hashimoto Corp Information reception system using pushphone
JPH0530343B2 (en) * 1983-10-08 1993-05-07 Hashimoto Corp
JP2000115323A (en) * 1998-09-30 2000-04-21 Sanyo Electric Co Ltd Portable telephone set

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