Abstract: In a bulb-form lamp, a threaded portion 31 of a lamp cap 5, that is, a shell 30 is made of a conductive resin. The conductive resin shell 30 and an eyelet 50 constituting the lamp cap 5 are composite parts, which are molded integrally with a lamp case 20. A part of the conductive resin shell 30 is provided with a terminal connective portion 30a projecting into the lamp case 20. The terminal connective portion 30a is connected with an electrode terminal 40 led out of a printed circuit board 13 of a lighting circuit 14 so that the conductive resin shell 30 and the lighting circuit 14 are electrically connected. By doing so, it is possible to simplify the assembly of bulb-form lamp, and to reduce an assembly cost, and further, to manufacture a bulb-form lamp having a high quality and a lamp case for the bulb-form lamp.

Abstract: A data storage medium, which is for use in a non-contact type personal identification system composed of a data storage medium and an external processing unit for exchanging information with the data storage medium or for transmitting and receiving data to and from the data storage medium, can be easily integrated into a wristwatch without changing the internal structure of the watch. The data storage medium is composed of data storage elements and an antenna coil which are electrically connected to each other, being mounted on a base material. The data storage medium is made in the form of a non-contact type sheet-like tag, being externally sealed with are sin. The tag is secured to the surface of a transparent cover for covering the time display surface of the wristwatch, at a securing position which. allows recognition of the time displayed by time displaying elements.