Abstract: A technique for spread-spectrum communication which uses more than one mode and more than one frequency band. Selectable modes include narrowband mode and spread-spectrum mode, or cellular mode and microcellular mode. Selectable frequency bands include both licensed and unlicensed frequency bands, particularly frequency bands including the 902-928 MHz, 1850-1990 MHz, and 2.4-2.4835 GHz frequency bands. Spread-spectrum communication channels are 10 MHz or less in width. The frequency band onto which spread-spectrum signals are encoded may be changed upon a change in environment or other control trigger, such as establishment or de-establishment of communication with a private access network. A multi-band transmitter comprises a single frequency synthesizer and a frequency source (e.g., a local oscillator), coupled to a selectable band pass filter.

Abstract: A system for publishing data on shared broadcast channels using spread-spectrum techniques, which may comprise a spread-spectrum encoder capable of receiving data and placing it in a spread-spectrum signal format and a transmitter operating on a shared communication channel or frequency band, such as might be allocated to terrestrial point-to-point or broadcast communications. The shared communication channel may comprise a cellular system, in which data may be transmitted using spread-spectrum techniques using the transmitters and repeaters of the cellular system simultaneously with voice and other transmissions associated with the cellular system. A subscriber station may be capable of receiving using a plurality of different communication channels or frequency bands, such as a first receiver capable of cellular reception and a second receiver capable of satellite reception, at least one of which uses spread-spectrum techniques.

Abstract: A technique for spread-spectrum communication which uses more than one mode and more than one frequency band. Selectable modes include narrowband mode and spread-spectrum mode, or cellular mode and microcellular mode. Selectable frequency bands include both licensed and unlicensed frequency bands, particularly frequency bands including the 902-928 MHz, 1850-1990 MHz, and 2.4-2.4835 GHz frequency bands. Spread-spectrum communication channels are 10 MHz or less in width. The frequency band onto which spread-spectrum signals are encoded may be changed upon a change in environment or other control trigger, such as establishment or de-establishment of communication with a private access network. A multi-band transmitter comprises a single frequency synthesizer and a frequency source (e.g., a local oscillator), coupled to a selectable band pass filter.

Abstract: A monitor records the gait activity of a wearer. The monitor is constructed to determine and record the number of steps taken by a wearer during selected intervals. The monitor includes an optical transmitter receiver to permit the monitor to be optically coupled to a stand-alone computer for transmitting data therebetween. The monitor can be programmed by the stand-alone computer to change the duration of the selected time interval period. Similarly, the gait activity data stored by the monitor can be downloaded to the stand-alone computer for analyzing the data and generating selected reports.

Abstract: A fishing reel spool is defined along a central axis, with the spool defined as a cylindrical tubular member formed with parallel flanges at each end of the spool. The spool includes a spool wall, with an elongate slot directed therethrough. The slot arranged generally parallel to the axis. The slot includes a cylindrical entrance in communication with a diametrically aligned elongate longitudinal slot, wherein the cylindrical entrance receives a knot of a fishing line and the knot is directed interiorly of the cylindrical spool for securement of the fishing line permitting ease of mounting of the fishing line to the spool in a winding procedure.

Abstract: Two side frames support a seat assembly (25, 31 and 32) for a baby. Each side frame has first and second legs (1 and 2) pivotally connected at adjacent first ends (3 and 4) and a handle shaft (11). When the push chair is erected, with the second ends (5 and 6) of the legs (1 and 2) of each side frame spaced apart, the handle shaft (11) of each side frame is movable between first and second positions in which a handle bar (34) transversely interconnecting the handle shafts (11) is respectively behind the seat assembly (25, 31 and 32), for pushing the baby forwards, and in front of the seat assembly (25, 31 and 32), for pushing the baby backwards. The second leg (2) and the handle shaft (11) of each side frame are also connected by drive means (16 and 17) so that further movement of the handle shaft (11) from its second position to a third position laterally adjacent the first leg (1) is accompanied by corresponding movement of the second leg (2) towards a position laterally adjacent the first leg (1).

Abstract: An adjustable support for an optical or other instrument (e.g. a binocular microscope for use by a surgeon in neurosurgery) which readily permits adjustment in the position of the instrument in a predetermined spatial envelope and/or adjustment of the orientation of the instrument at any given position within that envelope, and which is compact, relatively inexpensive to manufacture, easy to adjust, and incorporates a high degree of safety, comprises a rod-like carrier, supporting the instrument at one end and an adjustable counterweight at the other, mounted, by a ball joint arrangement on a linkage system rotatably supported on a column. The ball joint arrangement and the other joint arrangements in the linkage system are provided with clamping devices, normally urged to clamping position by springs but released by the application of air pressure under control of a switch device.