BR7804885A - Teclado com visor numerico teclado digital-punho com som canalizado e sistema de cobranca por ficha eletronica - Google Patents

Teclado com visor numerico teclado digital-punho com som canalizado e sistema de cobranca por ficha eletronica

Info

Publication number
BR7804885A
BR7804885A BR7804885A BR7804885A BR7804885A BR 7804885 A BR7804885 A BR 7804885A BR 7804885 A BR7804885 A BR 7804885A BR 7804885 A BR7804885 A BR 7804885A BR 7804885 A BR7804885 A BR 7804885A
Authority
BR
Brazil
Prior art keywords
keyboard
channeled
sound
charging system
electronic data
Prior art date
Application number
BR7804885A
Other languages
English (en)
Inventor
D Artacho
Original Assignee
D Artacho
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 D Artacho filed Critical D Artacho
Priority to BR7804885A priority Critical patent/BR7804885A/pt
Publication of BR7804885A publication Critical patent/BR7804885A/pt

Links

BR7804885A 1978-07-28 1978-07-28 Teclado com visor numerico teclado digital-punho com som canalizado e sistema de cobranca por ficha eletronica BR7804885A (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR7804885A BR7804885A (pt) 1978-07-28 1978-07-28 Teclado com visor numerico teclado digital-punho com som canalizado e sistema de cobranca por ficha eletronica

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR7804885A BR7804885A (pt) 1978-07-28 1978-07-28 Teclado com visor numerico teclado digital-punho com som canalizado e sistema de cobranca por ficha eletronica

Publications (1)

Publication Number Publication Date
BR7804885A true BR7804885A (pt) 1980-02-05

Family

ID=4012019

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7804885A BR7804885A (pt) 1978-07-28 1978-07-28 Teclado com visor numerico teclado digital-punho com som canalizado e sistema de cobranca por ficha eletronica

Country Status (1)

Country Link
BR (1) BR7804885A (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5834757A (en) * 1994-01-24 1998-11-10 Telecomunicacoes Brasileiras S/A Telebras Debiting method for inductive prepayment cards
US5984192A (en) * 1994-05-12 1999-11-16 Telecommunications Brasileiras S/A Supplementary coding on inductive debit cards and reading process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5834757A (en) * 1994-01-24 1998-11-10 Telecomunicacoes Brasileiras S/A Telebras Debiting method for inductive prepayment cards
US5984192A (en) * 1994-05-12 1999-11-16 Telecommunications Brasileiras S/A Supplementary coding on inductive debit cards and reading process

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