Abstract:
Each device identification apparatus includes a circuit for generating a delay time and transmits a device identification code signal at a different delay time in response to a device selecting signal from a remote controller, thereby making it possible to prevent interference. Further, an infrared light amount detecting circuit is provided in a device identification apparatus or a remote controller, and an electronic device to which a device identification apparatus having a higher intensity of infrared is attached is displayed on the remote controller so that the electronic device is easily selected.
Abstract:
Provided is a semiconductor resistor circuit with high accuracy. An insulating film is formed to cover a plurality of resistor groups having upper portions covered with a plurality of metal wirings. The insulating film has a membrane stress that is higher than that of the metal wirings, and is formed between the metal wirings and the resistor groups.
Abstract:
Provided is an oscillation stop detection circuit having low current consumption, which is capable of detecting stop of oscillation regardless of whether an input signal stops at High or Low and thereby accurately measuring an oscillation stop detection period. The oscillation stop detection circuit includes: a pulse generation circuit for outputting a one-shot pulse in synchronization with an oscillation signal input from an input terminal; a capacitor including one terminal connected to a first power supply terminal and another terminal connected to an output terminal; a constant current circuit connected between the first power supply terminal and the another terminal of the capacitor; and a switch circuit connected between an output terminal of the pulse generation circuit and the another terminal of the capacitor, for connecting the another terminal of the capacitor to a second power supply terminal based on the one-shot pulse.
Abstract:
A package for an optical sensor device has a double molding structure in which a first resin molded portion (1) and a second resin molded portion (2) are subjected to contact fitting. The first resin molded portion (1) has a structure in which peripheries of a die pad portion (8) on which an optical sensor element (5) is mounted and a part of leads (3a, 3b) are molded with a resin so as to be integrated. The second resin molded portion (2) has a structure in which the periphery of the first resin molded portion (1) is molded with a resin so as to form an outer shape. When a cavity is formed, a glass substrate (4) having a filter function and an upper surface of the resin molded portions are bonded to each other to form a cavity structure.
Abstract:
There is provided an electronic timepiece that includes a solar panel which receives light to generate electric power, is operated with the electric power supplied from a secondary battery charged with output voltage of the solar panel, and includes a normal mode in which clock display is performed on a display unit and a power saving mode in which clock display on the display unit is stopped, based on illuminance detection of the solar panel, the electronic timepiece including: a mode control unit which switches cycles of the illuminance detection, by setting a cycle of the illuminance detection of the normal mode as a first cycle (for example, one minute), and a cycle of the illuminance detection of the power saving mode as a second cycle (for example, two seconds).
Abstract:
To provide a timepiece balance with hairspring capable of changing the moment of inertia of the balance wheel without involving generation of a one-sidedness in weight. There is provided a balance with hairspring including a balance staff, and a balance wheel arranged around the balance staff, wherein there are provided a first rim constituting the balance wheel and having a guide portion configured to vary in the distance from the balance staff in correspondence with a peripheral direction around the balance staff, an elastic portion arranged so as to be slidable along the guide portion and capable of elastic deformation in the radial direction around the balance staff, and a second rim having a plurality of weight portions arranged in the peripheral direction.
Abstract:
Provided is a voltage regulator including an overcurrent protection circuit using a simple circuit. The voltage regulator includes the overcurrent protection circuit including: a first sense transistor having a gate connected to an output terminal of an error amplifier circuit and a drain connected to a sense resistor; a second sense transistor having a gate connected to the output terminal of the error amplifier circuit; and a control transistor having a gate connected to an output terminal of a control circuit, a source connected to a drain of the second sense transistor, and a drain connected to the sense resistor, in which the control transistor is turned on in response to a detection signal output by the control circuit until a reference voltage exceeds a predetermined voltage.
Abstract:
Provide is an infrared detector that has a simple configuration, has a high amplification factor, and is configured to operate at low voltage. An NMOS transistor at an output stage of a pyroelectric infrared detection element serves as a common source amplifier circuit in which a source is connected to GND via a resistor and a capacitor that are connected in parallel.
Abstract:
To provide an electronic device, a data processing method and a data processing program capable of measuring a stable ascending/descending velocity on which the most recent ascending/descending state is reflected. The electronic device includes an altitude measurement unit measuring altitudes, an altitude change determination unit determining an altitude change state based on altitudes measured by the altitude measurement unit within a predetermined first time interval until a current time and an ascending/descending velocity calculation unit calculating an ascending/descending velocity based on altitudes measured by the altitude measurement unit within a second time interval until the current time, which is equal to the first time interval or longer than the first time interval.
Abstract:
An electronic device includes: a storage unit that stores unit information relating to a movement with respect to each of an elevating state and a horizontal movement state; an altitude measurement unit that measures an altitude; an altitude change determination unit that determines whether the movement is the elevating state or the horizontal movement state based on the altitude measured by the altitude measurement unit; and a movement distance calculator that reads the unit information corresponding to the state determined by the altitude change determination unit from the storage unit and calculates a movement distance based on the read unit information.