Abstract: An eye mask is provided that is defined at least partially in terms of absolute, or non-relative, optical power level values. In essence, the eye mask of the invention is a hybrid of the traditional eye mask in that the eye mask of the invention includes power level values on the optical power axis that are based on the minimum OMA set forth in the applicable standard or data sheet specification rather than on measured power level values obtained from the part being tested. Using the hybrid eye mask of the invention obviates the need to perform at least some of the tests often used to measure transmitter attributes. In addition, using the hybrid eye mask of the invention reduces the possibility that a transmitter may fail the eye mask test even though the transmitter operates satisfactorily.

Abstract: An optical transceiver module includes a wireless communications device that provides the transceiver module with the ability to receive wireless signals in and/or transmit wireless signals from the optical transceiver module. The wireless communications device may have various configurations for providing various capabilities, such as, for example, a wireless modem, a wireless transmitter, a wireless receiver, a wireless transceiver, and a wireless network access point. The wireless communications device may be configured to transmit and/or receive wireless signals corresponding to, for example, calls, pages, and data transfers.

Abstract: An eye mask is provided that is defined at least partially in terms of absolute, or non-relative, optical power level values. In essence, the eye mask of the invention is a hybrid of the traditional eye mask in that the eye mask of the invention includes power level values on the optical power axis that are based on the minimum OMA set forth in the applicable standard or data sheet specification rather than on measured power level values obtained from the part being tested. Using the hybrid eye mask of the invention obviates the need to perform at least some of the tests often used to measure transmitter attributes. In addition, using the hybrid eye mask of the invention reduces the possibility that a transmitter may fail the eye mask test even though the transmitter operates satisfactorily.

Abstract: An optical transceiver module includes a wireless communications device that provides the transceiver module with the ability to receive wireless signals in and/or transmit wireless signals from the optical transceiver module. The wireless communications device may have various configurations for providing various capabilities, such as, for example, a wireless modem, a wireless transmitter, a wireless receiver, a wireless transceiver, and a wireless network access point. The wireless communications device may be configured to transmit and/or receive wireless signals corresponding to, for example, calls, pages, and data transfers.

Abstract: A position sensor for determining the position of an encoded surface applied to an element. Several embodiments of a position sensor (30, 100, 110, 110', and 200) are disclosed. In each embodiment, light at a reference wavelength and at a test wavelength travel along a common optical path until separated by an interference filter (40, 120, 214). A test beam comprising light at the test wavelength is transmitted through the interference filter toward an encoded surface (44, 216), which reflects a portion and transmits another portion of the test beam. The transmitted portion of the test beam is reflected by a mirror (50, 222) which is disposed adjacent an opposite surface of a rotatable disk (54) or a linear encoder (220) from that on which the encoded surface is applied. The transmitted portion of the test beam is reflected by the mirror along a first optical path (74, 130, 224), while the portion of the test beam that is reflected by the encoded surface travels along a second optical path (68, 138, 230).