Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent
1996-08-19
1997-08-26
Chan, Wing F.
Telephonic communications
Telephone line or system combined with diverse electrical...
Having transmission of a digital message signal over a...
379445, H04M 1100
Patent
active
056617860
ABSTRACT:
A lockout system for preventing children from accessing parentally-restricted and undesirable electronic information through an interface device of a computer comprises a signal cable connected at one end with a signal port and at the other end with an interface device of a computer through an opening in a case of the computer, so electronic information may pass back and forth between the interface device and port and a locking device coupled in-line with the signal cable. The locking device, when actuated, disables the signal cable to prevent electronic information from passing between the interface device and port so that children cannot gain access to information prohibited by parents. A protective collar is configured for engaging the computer body proximate the opening in the case and maintaining the other end of the signal cable in operable connection with the interface device to hinder a bypass of the lockout system.
REFERENCES:
patent: 4311883 (1982-01-01), Kidney
patent: 4446708 (1984-05-01), Ely
patent: 4584856 (1986-04-01), Petersdorff et al.
patent: 5448630 (1995-09-01), Barstow
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