Back to results
US 5,689,551 AGranted
Caller ID system with prescaler
AssigneeThomson Consumer Electronics, Inc.
InventorClarence Charles Rudd
Life of this patent
Estimating the term…
Abstract
A caller ID system is disclosed in which a prescaler is coupled between a source of a caller ID signal and a caller ID receiver, and a processor is coupled to the caller ID receiver. The prescaler is responsive to the processor for scaling the caller ID signal.
Claims17
A caller ID system, comprising:
- a caller ID receiver coupled to an input for receiving an input signal including a caller ID signal;
- a processor coupled to the caller ID receiver for detecting an error in said caller ID signal;
- and
- a prescaler, coupled between said input and the caller ID receiver, for scaling said input signal in response to said processor detecting said error in said caller ID signal.
1 more element
In a system for receiving caller ID information associated with respective sequential telephone calls, including a prescaler for scaling a caller ID signal by a scale factor, a method for controlling the scale factor, comprising the steps of:
- adjusting the scale factor until caller ID information has been correctly received for a first predetermined number of consecutive telephone calls;
- maintaining the scale factor until caller ID information has been incorrectly received for a second predetermined number of consecutive telephone calls;
- and
- repeating the adjusting step.
1 more element
Dependencies are inferred from the claim text.