TRIANGLE MICROWAVE <TRMW> IN TALKS ON BUYOUT Triangle Microwave Inc said it is involved in talks on its possible purchase by a "substantial U.S. company" it did not identify. Triangle said no agreement has yet been reached and there can be no assurance that one will be reached. Any acquisitioon would be subject to approval by its shareholders and to regulatory filings, it said. Triangle Microwave makes microwave system components and had earnings for the first half ended January 31 of 1,055,000 dlrs on sales of 7,292,000 dlrs, up from earnings of 763,000 dlrs on sales of 6,034,000 dlrs a year before.