摘要:
A paging accessory (10) for portable computing devices (12) such as calculators, electronic notebooks, calendars or the like. The paging accessory (10) includes a board (14) on which are mounted a receiver (32) for receiving page signals and a microprocessor (34) for identifying and decoding a page signal intended for the accessory (10). The board (14) includes connectors (16) for inserting the accessory (10) into a port (15) of a portable computing device (12). Alternatively, receiver (32) may be incorporated directly into a device (12). The device (12) is programmed to compare information in its memory. For example, it can compare a received phone number against a list of phone numbers to identify the person to be called in response to the page.
摘要:
Embodiments of the present invention may provide a detector device including a communication interface to couple the detection device to an external antenna device. The detector device may detect medical condition(s) by performing a reference scan and a subsequent target scan. The target scan may be compared to the reference scan, and deviations from the reference scan may indicate the presence of the medical condition(s). According to embodiments of the present invention, the detection device may continuously monitor for medical condition(s) by performing an initial reference scan and subsequent target scans. Each target scan may be compared to the reference scan, and deviations from the reference scan may indicate the presence of the medical condition(s) or a change in the medical condition(s).
摘要:
A wireless terminal with a reduced Specific Absorption Rate (SAR) peak value and a method for reducing an SAR peak value by using the wireless terminal are disclosed. The wireless terminal with a reduced SAR peak value includes a first antenna configured to receive or transmit a communication signal, and further includes: a second antenna configured to feed a coupling signal when the first antenna receives or transmits the communication signal, and a signal processing module configured to process the coupling signal to reduce an SAR peak value of the communication signal for a human body. The energy of a superposed signal in a human body orientation is reduced by superposing the coupling signal with the communication signal, so as to reduce the SAR peak value effectively.
摘要:
A multi-antenna mobile phone data card for reducing a specific absorption rate includes: a radio frequency (RF) substrate, antennas, and a feed source connected between the RF substrate and the antennas, the RF substrate has a rectangular shape, and the feed source is arranged at a first corner of the RF substrate, a first hollow portion is arranged at a second corner which is adjacent to the first corner and is located on a short side on which the first corner is located, the first hollow portion is provided with a first metal strip, having an end connected with the short side, and another end as a free end, a first electrical length formed from the feed source to the free end of the first metal strip is equal to a second electrical length formed from the feed source to another short side.
摘要:
There is provided a USB cable antenna which also uses a USB cable as an antenna that receives a high-frequency signal in a desired band, by connecting a metal shield of the USB cable to an ID terminal of a USB connector connected to the USB cable of a predetermined length connected to an information terminal device, connecting a high-frequency cutoff element having a high impedance for the high-frequency signal in the desired band to both ends of a power supply line and a ground line of the USB cable, and connecting a common mode choke having the high impedance for the high-frequency signal in the desired band to both ends of a transmission line of a differential signal of the USB cable.