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49Philips Lifeline 6900/6800/AT Series User’s Manual
Regulatory Compliance
Caution: If the above diagram is not used, this equipment cannot
report an alarm when other equipment (telephone, answering
system, computer modem, etc.) connected to the same phone line
is in use.
Patent Information
One or more of the following U.S. Patents may apply to this
product: D277,465; 4,524,243; 4,760,593; 4,622,544; 4,908,602;
4,884,059; D313,363; D313,362; 4,064,368; 3,989,900; 5,091,930;
5,128,979. One or more of the following Canadian Patents may
apply to this product: 1,274,930; 1,256,613.