External data read/write circuit

Details External data read/write circuit External data read/write circuit

1995-05-03

1996-07-30

Metjahic, Safet

Television

Monitoring, testing, or measuring

348184, 348553, H04N 544

Patent

active

055416470

ABSTRACT:
An external data read/write circuit has a jack including serial clocks, serial data, bus stop, and power source lines installed on a television set and an external service card for writing corresponding area information into a memory of the television via a serial data line when an information transmission key input and a corresponding area code are received from the external service card, and for reading out information required for fault diagnosis from the television when a fault diagnosis key input is received to display the result on a display apparatus of the external service card, thereby writing information needed by a user into a memory or integrated circuit within the television and reading out fault information of the television.

REFERENCES:
patent: 5325196 (1994-06-01), Yoshimi et al.

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